the land registry of iceland -geoinformation department 1 et godt addressesystem – til nytte for...
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![Page 1: The Land Registry of Iceland -GeoInformation Department 1 Et godt addressesystem – til nytte for samfundet Tryggvi Már Ingvarsson MSc Geomatic Engineer,](https://reader038.vdocuments.net/reader038/viewer/2022110303/55172a9f550346fe558b5b5b/html5/thumbnails/1.jpg)
The Land Registry of Iceland-GeoInformation Department
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Et godt addressesystem – til nytte for samfundet
Tryggvi Már IngvarssonMSc Geomatic Engineer, [email protected]
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Content
• An address & address system
• A good address system – perspectives– business model– quality– multipurpose– costs & effectiveness
• Conclusions
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Addresses & address systems- definition -
• “An address specifies a location by reference to a street, building or a landmark; or it specifies a point of postal delivery”
• “Address systems consist of networks of streets and points, with names, and logically ordered patterns of numbering of buildings, occupancies, and other features”
• Is this so clear-cut?
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A good address system- perspectives -
• Database view – physical storage solutions, DBMS, effectiveness,
uniqueness of address entries– Logical numbering is not of big concern
• Maintainer’s view – Practical to update, e.g. when adding new address
into a address sequence• User’s view
– Logical - easy to orientate your self, built on history and traditions
– Thematic and alphabetic arrangement of streets and neighborhoods
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A good address system- business model -
• The business model has to fulfill the requirements set by users – Without common consensus among its users even a good
system can proof ineffective
• Always up-to-date– An address should be in place, located and available at the
same time as the building permission is issued– Serving the demands of users
• License– New law on public information encourage re-use, added value
reproduction and resell by private companies– The new law limits pricing for governmental data (government
should e.g. not charge for copyright)
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A good address system- business model -
• Costs– A detailed up-to-date and correct address system can however
be very expensive– Mistakes (e.g. wrong registration) can also be costly!
• Pricing– To high pricing by the government will push private companies
to develop their own separate system– How should the government justify its investments?
• How can benefits of an good address system be measured?– Hard cash revenues– Cost savings (e.g. preventing loss of lives or damaged
properties)– Tax revenue from stimulating private market
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A good address system- quality issues -
• Correctness – attribute, time and spatial accuracy
• Completeness – full coverage• Consistency between different registries• Linage – possibility to trace back changes
• Important: There has to be a way for people to check the registration of their properties and put forward corrections!
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A good address system- spatial issues -
• Updating – An address location should be available
before the building itself
• Geocoding addresses– Entrances– Building centroid– Post box– Gate
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A good address system- technical design/architecure -
• One central common repository– Core information only updated at one place– Prevents inconformity– Handles all declensions (“gervigreind”)– Registers also building names
• Service oriented architecture (SOA)– Employing web services– Extensibility– Each user can extend the core for own uses
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A good address system- multipurpose -
• Residence registration– Locates people in apartments using logical code of storey and
apartment numbers (e.g. 0103 -> first floor, third door from left)
• Postal service– Identifies additional informal addresses
• Emergency service 112– Identifying all entrances (sub-addresses) of large buildings– Identifying public places, playgrounds, landmarks etc. – Querying different data source (who lives or who owns)
• Complex queries– Statistical researches, e.g. on health, democratic issues etc.– Rural properties without proper internet connection (ADSL)Is it actually possible to have all this function in one system???
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Aluminum factory
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Aluminum factory
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Conclusion
• We have to find the intermediate way between costs, effectiveness and details
• A good address system in Iceland can maybe be a bad one in an other country
• A good address system is in my opinion one that fully serves the need of its users in the most optimal way given the budget available!