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W3C Semantic Sensor Network Incubator Group

The mission of the Semantic Sensor Network Incubator Group, part of the Incubator Activity, is to begin the formal process of producing ontologies that define the capabilities of sensors and sensor networks, and to develop semantic annotations of a key language used by services based sensor networks.

Find more in the charter of the XG, including the participation details.

Learn more about Incubator Activity at W3C.

SSN XG Results and Archives

Group Updates

Available RSS/Atom feeds:


  • Create a W3C community group focused on the maintenance and extension of the SSN Ontology,
  • Encourage W3C peers to continue to work on the generic issues surrounding ontology alignment and import in OWL, which currently raises specific challenges for the publication, packaging and maintenance of the SSN Ontology,
  • Encourage the W3C Provenance Working Group to work on sensor-specific issues,
  • Request the W3C to promote uptake of the SSN ontology in the W3C community,
  • Encourage W3C and OGC to coordinate their activities in this area.

SSN Incubator Group Report

W3C SSN Incubator Group Report - FINAL VERSION

Major products of the group's work

See also:

Where is the SSN OWL file?

The Semantic Sensor Network Ontology has been published according to the Best Practice Recipe 3a for Publishing RDF vocabularies http://www.w3.org/TR/swbp-vocab-pub/#recipe3a with a 303 PURL
The http://purl.oclc.org/NET/ssnx/ssn can be used to access both the owl file (when accessed from RDF clients like Protege) and the documentation (when accessed from browser)
This is how it works now:
  • First http://purl.oclc.org/NET/ssnx/ssn is redirected to http://www.w3.org/2005/Incubator/ssn/ssnx/ssn
  • Then the .htaccess file give the content of http://www.w3.org/2005/Incubator/ssn/ssnx/ssn.owl if the client asks for a 'application/rdf+xml' Content Type
  • And to http://www.w3.org/2005/Incubator/ssn/ssnx/ssn.html if the client asks for a 'application/xhtml+xml' or 'text/html' Content Type
  • If you want to access the owl file in your browser then you have to use http://www.w3.org/2005/Incubator/ssn/ssnx/ssn.owl
    The same approach is used for the other ontologies referenced in the XG report.




    Reports, articles and documents of interest, used for the XG activities