The OGC and Semantics Carl Reed, PHD OGC November 18, 2008

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Presentation transcript:

The OGC and Semantics Carl Reed, PHD OGC November 18, 2008 Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved.

Agenda "The man who insists on seeing with perfect clearness before he decides, never decides." Henri-Frédéric Amiel The real crux of dealing with semantics in the geo context! Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved.

Without vocabularies, we cannot communicate And forget “real” content interoperability For the first 3 years of OGC existence, focus was on the Abstract Model, semantics, and vocabularies What is a coordinate? What is a Point? What is a feature? And ad-naseum Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved.

And yet The OGC has not generally focused on geosemantics and interoperability other than a few targeted projects Geosemantics Interoperability Experiment Geosemantics Domain Working Group But many member organizations are dealing with semantics and geosemantics Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved.

A process that seems to work Vitally necessary for domain community information experts to collaborate and define volcabular(ies) and information models! Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved.

And then Encode the information model in a community accessible, consenus approved encoding Such as CityGML and GeoSciML Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved.

Case 1 This collaboration can happen external to the OGC and then the work brought into the OGC The proposed Hydrology work is an example of this use case Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved.

Case 2 This collaboration can happen external to the OGC and stay external to the OGC and approved as a standard in that domain’s appropriate accreditation body. GeoSciML Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved.

Case 3 Official collaboration between an information community and the OGC TDWG and MMI Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved.

Questions? www.myogc.org Dr. Carl Reed OGC CTO, Chair OGC Consensus Process creed@myogc.org +1 970 402-0284 www.myogc.org Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved. Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved. 10