content arnulf christl - infrastructure for spatial ... · resourceoriented architecture patterns...
TRANSCRIPT
Content What is Metadata Design and Thing Catalogs INSPIRE and digital Geo Data New Requirement Pragmatics and the wshyholy REST
Arnulf Christl
httpwwwmetaspatialnet
Download httparnulfuspublicationstheshypotentialshyofshymetadata_foss4gshy2010odp httparnulfuspublicationstheshypotentialshyofshymetadata_foss4gshy2010pdf
INSPIRE 2011 Edinburgh Arnulf Christl 2 45
Who we are Me Myself and I
We are geospatially aware since 1991 OGC Architecture Board Member Current President of OSGeo OpenStreetMap advocate
My alter ego Seven is an ExshyBorg
INSPIRE 2011 Edinburgh Arnulf Christl 3 45
MetaspatialWhen Consultation since March 2010
Why To leverage your spatial data
What Consultation and Implementation of- Spatial Data Infrastructures- Metadata
How Open Source Software and Datawith Open Standardsand Agile management
httpwwwmetaspatialnet
INSPIRE 2011 Edinburgh Arnulf Christl 4 45
What is Metadata
[] Metadata is data However it is impossible to identify
metadata just by looking at it We dont know when data is metadata
or just datahttpenwikipediaorgwikiMetadata
INSPIRE 2011 Edinburgh Arnulf Christl 5 45
Meta Data in Analog Catalogs
The typical meta data of a book (the material object) can be the name of the author the edition the year of publication the publisher and the ISBN number hellip
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 6 45
Therefore
it may be natural to think that digital meta data will look
like a complexcatalog
gt
INSPIRE 2011 Edinburgh Arnulf Christl 7 45
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 8 45
But
digitalelectronic
(Meta)ndashData
is a very different beast
INSPIRE 2011 Edinburgh Arnulf Christl 9 45
01100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011711001110000111000110100111001001100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101001110010011011000000110001101011000110101100011010
INSPIRE 2011 Edinburgh Arnulf Christl 10 45
Just for the fun of UTFshy8lets call this
Metaeligdata
what about the e as in electronicor digital
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
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-
INSPIRE 2011 Edinburgh Arnulf Christl 2 45
Who we are Me Myself and I
We are geospatially aware since 1991 OGC Architecture Board Member Current President of OSGeo OpenStreetMap advocate
My alter ego Seven is an ExshyBorg
INSPIRE 2011 Edinburgh Arnulf Christl 3 45
MetaspatialWhen Consultation since March 2010
Why To leverage your spatial data
What Consultation and Implementation of- Spatial Data Infrastructures- Metadata
How Open Source Software and Datawith Open Standardsand Agile management
httpwwwmetaspatialnet
INSPIRE 2011 Edinburgh Arnulf Christl 4 45
What is Metadata
[] Metadata is data However it is impossible to identify
metadata just by looking at it We dont know when data is metadata
or just datahttpenwikipediaorgwikiMetadata
INSPIRE 2011 Edinburgh Arnulf Christl 5 45
Meta Data in Analog Catalogs
The typical meta data of a book (the material object) can be the name of the author the edition the year of publication the publisher and the ISBN number hellip
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 6 45
Therefore
it may be natural to think that digital meta data will look
like a complexcatalog
gt
INSPIRE 2011 Edinburgh Arnulf Christl 7 45
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 8 45
But
digitalelectronic
(Meta)ndashData
is a very different beast
INSPIRE 2011 Edinburgh Arnulf Christl 9 45
01100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011711001110000111000110100111001001100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101001110010011011000000110001101011000110101100011010
INSPIRE 2011 Edinburgh Arnulf Christl 10 45
Just for the fun of UTFshy8lets call this
Metaeligdata
what about the e as in electronicor digital
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
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- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 3 45
MetaspatialWhen Consultation since March 2010
Why To leverage your spatial data
What Consultation and Implementation of- Spatial Data Infrastructures- Metadata
How Open Source Software and Datawith Open Standardsand Agile management
httpwwwmetaspatialnet
INSPIRE 2011 Edinburgh Arnulf Christl 4 45
What is Metadata
[] Metadata is data However it is impossible to identify
metadata just by looking at it We dont know when data is metadata
or just datahttpenwikipediaorgwikiMetadata
INSPIRE 2011 Edinburgh Arnulf Christl 5 45
Meta Data in Analog Catalogs
The typical meta data of a book (the material object) can be the name of the author the edition the year of publication the publisher and the ISBN number hellip
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 6 45
Therefore
it may be natural to think that digital meta data will look
like a complexcatalog
gt
INSPIRE 2011 Edinburgh Arnulf Christl 7 45
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 8 45
But
digitalelectronic
(Meta)ndashData
is a very different beast
INSPIRE 2011 Edinburgh Arnulf Christl 9 45
01100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011711001110000111000110100111001001100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101001110010011011000000110001101011000110101100011010
INSPIRE 2011 Edinburgh Arnulf Christl 10 45
Just for the fun of UTFshy8lets call this
Metaeligdata
what about the e as in electronicor digital
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 4 45
What is Metadata
[] Metadata is data However it is impossible to identify
metadata just by looking at it We dont know when data is metadata
or just datahttpenwikipediaorgwikiMetadata
INSPIRE 2011 Edinburgh Arnulf Christl 5 45
Meta Data in Analog Catalogs
The typical meta data of a book (the material object) can be the name of the author the edition the year of publication the publisher and the ISBN number hellip
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 6 45
Therefore
it may be natural to think that digital meta data will look
like a complexcatalog
gt
INSPIRE 2011 Edinburgh Arnulf Christl 7 45
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 8 45
But
digitalelectronic
(Meta)ndashData
is a very different beast
INSPIRE 2011 Edinburgh Arnulf Christl 9 45
01100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011711001110000111000110100111001001100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101001110010011011000000110001101011000110101100011010
INSPIRE 2011 Edinburgh Arnulf Christl 10 45
Just for the fun of UTFshy8lets call this
Metaeligdata
what about the e as in electronicor digital
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
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- Slide 28
- Slide 29
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- Slide 31
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- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 5 45
Meta Data in Analog Catalogs
The typical meta data of a book (the material object) can be the name of the author the edition the year of publication the publisher and the ISBN number hellip
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 6 45
Therefore
it may be natural to think that digital meta data will look
like a complexcatalog
gt
INSPIRE 2011 Edinburgh Arnulf Christl 7 45
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 8 45
But
digitalelectronic
(Meta)ndashData
is a very different beast
INSPIRE 2011 Edinburgh Arnulf Christl 9 45
01100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011711001110000111000110100111001001100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101001110010011011000000110001101011000110101100011010
INSPIRE 2011 Edinburgh Arnulf Christl 10 45
Just for the fun of UTFshy8lets call this
Metaeligdata
what about the e as in electronicor digital
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
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- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
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- Slide 37
- Slide 38
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- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 6 45
Therefore
it may be natural to think that digital meta data will look
like a complexcatalog
gt
INSPIRE 2011 Edinburgh Arnulf Christl 7 45
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 8 45
But
digitalelectronic
(Meta)ndashData
is a very different beast
INSPIRE 2011 Edinburgh Arnulf Christl 9 45
01100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011711001110000111000110100111001001100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101001110010011011000000110001101011000110101100011010
INSPIRE 2011 Edinburgh Arnulf Christl 10 45
Just for the fun of UTFshy8lets call this
Metaeligdata
what about the e as in electronicor digital
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 7 45
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Was halt so auf eine Karteikarte passt
G ndash C ndash A L ndash OT ndash A
Whatever fits ona smal cardboard card
G ndash C ndash A L ndash OT ndash A
INSPIRE 2011 Edinburgh Arnulf Christl 8 45
But
digitalelectronic
(Meta)ndashData
is a very different beast
INSPIRE 2011 Edinburgh Arnulf Christl 9 45
01100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011711001110000111000110100111001001100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101001110010011011000000110001101011000110101100011010
INSPIRE 2011 Edinburgh Arnulf Christl 10 45
Just for the fun of UTFshy8lets call this
Metaeligdata
what about the e as in electronicor digital
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 8 45
But
digitalelectronic
(Meta)ndashData
is a very different beast
INSPIRE 2011 Edinburgh Arnulf Christl 9 45
01100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011711001110000111000110100111001001100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101001110010011011000000110001101011000110101100011010
INSPIRE 2011 Edinburgh Arnulf Christl 10 45
Just for the fun of UTFshy8lets call this
Metaeligdata
what about the e as in electronicor digital
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 9 45
01100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011711001110000111000110100111001001100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101100111000110011100001110001101001110010011001110001101001110010011011001110000111000110100111001001101001110010011011000000110001101011000110101100011010
INSPIRE 2011 Edinburgh Arnulf Christl 10 45
Just for the fun of UTFshy8lets call this
Metaeligdata
what about the e as in electronicor digital
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 10 45
Just for the fun of UTFshy8lets call this
Metaeligdata
what about the e as in electronicor digital
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
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- Slide 14
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- Slide 17
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- Slide 26
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- Slide 34
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- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 11 45
Design vs Thing
This presentation information any data in electronic format
is nothing but designbased on our
concepts
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 12 45
The World of Things
Thingstake up space
Matter is compounded of atoms and molecules and bound
by gravity andorder
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 13 45
Matter (a thing) can only be in one location at one time
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 14 45
Things are always ordered andcan thus hide each other
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
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- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 15 45
Just in case you didnt believe
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 16 45
Two things cannot be at the samelocation at the same time
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 17 45
One thing cannot be at twolocations at the same time
~~~~
~~~~
~~~~
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 18 45
Things cannot be copied
(The Star Trek universe is an exception to this rule)
Ctrl amp C(Ctrl ampIns)
Ctrl amp V(Shift amp Ins)
X
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
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- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 19 45
Things cannot be deleted
DELXhttpcommonswikimediaorgwikiFileE=mc2png
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
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- Slide 29
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- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 20 45
Summarizing Matter
Matter cannot exist without space Matter takes up space Matter can only be in one place at a time Matter can not be copied Matter can not be deleted Matter can not be linked
you know where this is leading
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
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- Slide 31
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- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 21 45
Data can
and Metaeligdata is even meant to
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
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- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 22 45
be copiedmodified linked and deleted
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
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- Slide 19
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- Slide 23
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- Slide 25
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- Slide 28
- Slide 29
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- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 23 45
Copying is not theft
only if audio available
Excursion
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 24 45
Digital metaeligdata can be at any place at any time
Metaeligdata can be duplicated copied modified deleted
and linked
a bitly Open Source
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
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- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 25 45
digital Metadata
Examples of computer data file metadata The file name Access permissions The data of last access and so on The file format (odt shp kml xml rss rdf)
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
- Slide 20
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- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 26 45
Geospatial Meta aelig Data
can contain and is metaeligdata in itself
kml shy Keyhole Markup Language (OGC)
xml shy eXtensible Markup Language (W3C)
rss shy Really Simple Syndication (W3C)
rdf shy Resource Description Framework (W3C)
All information is linked File extensionsare Metaeligdata implicitly linked to specifications
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
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- Slide 13
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- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 27 45
INSPIREd Metadata
Profiles Why but why
you can hear them complain
The reason is simple enough the idea is from the last millennium
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
- Slide 17
- Slide 18
- Slide 19
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- Slide 23
- Slide 24
- Slide 25
- Slide 26
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- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 28 45
This is not to say that all old ideas are bad
But yes they should be allowedto follow Lifes sect 1
Evolve
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
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- Slide 19
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- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 29 45
INSPIRE
The definition of Metadata in the INSPIRE directive is rather thin
[hellip]
6 lsquometadatarsquo means information describing spatial data sets and spatial data services and making it possible to discover inventory and use them
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
- Slide 14
- Slide 15
- Slide 16
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- Slide 38
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- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 30 45
INSPIRE
2 Metadata shall include information on the following
[]
(b) conditions applying to access to and use of spatial data sets and services and where applicable corresponding fees
[]
(e) limitations on public access and the reasons for such limitations in accordance with Article 13
httpeurshylexeuropaeuLexUriServLexUriServdouri=OJL200710800010014ENPDF
EndshyUser
License Agreement
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
- Slide 12
- Slide 13
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- Slide 15
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- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- Slide 42
- Slide 43
- Slide 44
- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 31 45
Example 1
The metadata for an orthorectified aerial photography image could contain
Recording device Digital Analog
Processing steps Rectification Geo referencing Contrast adjustment Brightness adjustment etc
Spatial extent Coordinate reference
system Projection Format access options Date of exposure Resolution of original
image Number of Bands
INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
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INSPIRE 2011 Edinburgh Arnulf Christl 32 45
The metadata of a Traffic Information Service can consist of
Acquisition method Official data Vounteered data Forecasting method
Consideration of construction sites events speedometers
etc
Spatial extent Coordinate reference
system Projection Format access options Source of geometric data Actuality
Example 2
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
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-
INSPIRE 2011 Edinburgh Arnulf Christl 33 45
Syntax and Semantics
Syntax and semantics are disciplines of the science of Semiotics
In geoinformatics syntax describes spatial data formally whereas semantics describes its meaning
To be able to store this information in a catalog it has to be indexed and structured
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
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-
INSPIRE 2011 Edinburgh Arnulf Christl 34 45
OntologyEvery Domain has to create their ownOntology
Example
The Marine MetadataInteroperability Project
httpmarinemetadataorg
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
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-
INSPIRE 2011 Edinburgh Arnulf Christl 35 45
OntologyOntology is the philosophical study of the nature of being existence or reality in general as well as the basic categories of being and their relations
Relationshttptwittercomsevenspatialstatus19854195289
Parmenides
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
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-
INSPIRE 2011 Edinburgh Arnulf Christl 36 45
PragmaticsIn Semiotics Syntax and Semantics are complemented by Pragmatics It defines
gtgtgt The relation between signs and their effects on those who use them
gtgtgt People machines
Informatics in general and geospatial data management eshyspatially lack Pragmatics
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
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-
INSPIRE 2011 Edinburgh Arnulf Christl 37 45
The Data Provider Perspective All spatial data is described by the same smallest
common denominator (Dublin Core FGDC ISO 19115 and so on) an specific incompatible profiles
Metadata creation and maintenance are typically artificial extra jobs for the data creators
Metadata is provided through complex interfaces (Catalog Services Web) and formats (ISO 19139 and specific profiles)
Metadata quality is mostly limited on syntax There is little to no interaction with users
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
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- Slide 45
-
INSPIRE 2011 Edinburgh Arnulf Christl 38 45
The Data Consumer Perspective Users do not understand the language of the
providers Metadata descriptions are always incomplete if not
related to one or better even ndash many ontologies The service offering is too complicated incompatible
and unreliable Geo portals do not satisfy users need Interaction between consumers and providers is
minimal Metadata is not linked well enough
INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
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INSPIRE 2011 Edinburgh Arnulf Christl 39 45
Nu Req Extend offer Simplify Search Allow browsing user evaluation Supersede categories by users tags Automize creation and maintenance of metadata Allow and enhance interaction between users
and providers
INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
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INSPIRE 2011 Edinburgh Arnulf Christl 40 45
Concepts of the Web (20) Resourceshyoriented architecture patterns (REST
and ROA) allow simple creation maintenance and search
Propagation of spatial data uses GeoRSS User communities must grow their own specific
ontologies Users and providers need to talk All data belongs in open buckets
INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
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INSPIRE 2011 Edinburgh Arnulf Christl 41 45
Filteron the
way outDavid Weinberger (2008)
Everything is Miscellaneous
INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
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INSPIRE 2011 Edinburgh Arnulf Christl 42 45
REST ndash linking with sense
Four concepts the resource the name (URL) the representation their relations(links)
Four properties Addressability Statelessness Connectedness Well formed operations
The corresponding architecture pattern is theResource Oriented Architecture (in short ROA)
INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
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INSPIRE 2011 Edinburgh Arnulf Christl 43 45
Now whatCurrent catalog technology does not use the potential of metaeligdata We need buckets Open Access to Spatial Data
The Internet is the lowest common layer of any SDI Use it as it was meant to be used REST paradigms and the ROA shall
permeate standards (OGC ISO CEN etc) offerings (OS UK CGDI Geoportal RLP etc) and regulations (INSPIRE)
INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
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INSPIRE 2011 Edinburgh Arnulf Christl 44 45
How about you
If you are interested in this vision and want to join on this mission impossible consider joining the OSGeo Public Geospatial Data Committee and Mailing List
We can build a bucket for your metaeligdata and your use case
INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
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INSPIRE 2011 Edinburgh Arnulf Christl 45 45
Interested
Thank you foryour attention
This Slide set can be used reused and modified by anybody for any purpose See also Copystraight
Copyright Arnulf Christl 2010
The internationalOpen Source Conference for the
Geospatial Domain http2011foss4gorg
- Slide 1
- Slide 2
- Slide 3
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