Download - Sensor Interface Descriptors (SID)
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Declarative
Sensor Interface Descriptors
for the Sensor Web
A. Broering, S. Below, T. Foerster
WebMGS, 26th August 2010
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Sensor Layer
Problem: Interoperability Gap
Application Layer
Sensor Web Layer
Arne Broering - [email protected]
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<swe:encoding>
<swe:TextBlock
decimalSeparator="." tokenSeparator="|" blockSeparator="#"/>
</swe:encoding>
:
<swe:DataRecord>
<swe:field name="datasetID">Wind01</swe:field>
<swe:field name="time" />
<swe:field name=“wind_speed"/>
<swe:field name=“wind_direction"/>
:
Station|1275482685|33UUU 932 592|10530Q|#
Status|1275482686|2|43|72|0|#
Wind01|1275482698|42.0|23.0|…|#
:
SID – Protocol Definition
Arne Broering - [email protected]
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SID – Protocol Processing
Native Process Types
1. Checksum Computation & Validation urn:ogc:def:process:OGC:checksum
2. Character Escaping urn:ogc:def:process:OGC:escCharacter
3. Interpolation urn:ogc:def:process:OGC:interpolation
4. Date Conversion urn:ogc:def:process:OGC:dateConversion
Content MathML
Arne Broering - [email protected]
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<presentationLayer> defines:
Data type (e.g. numeric)
Unit of measure (e.g. m/s)
<outputs> defines:
Feature of interest (e.g. City of Como)
Observed property (e.g. wind speed)
InsertObservation operation calls
SID – Definition of Observation Metadata
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Outlook: Combination with Sensor Bus
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Questions?
Thank you!
Arne Broering
SID project: http://52north.org/sid
Sensor Web community: http://52north.org/SensorWeb
Sensor Web lab: http://swsl.uni-muenster.de