Krzysztof Janowicz

Meme-Broadcast

A Transparent Semantic Enablement Layer for the Geospatial Web

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We just finished a substantially extended and rewritten version of the poster accepted for EuroSSC 2009 (update: the paper was accepted, see below):

Abstract Building on abstract reference models, the Open Geospatial Consortium (OGC) has established standards for storing, discovering, and processing geographical information. These standards act as basis for the implementation of specific services and Spatial Data Infrastructures (SDI). Research on geo-semantics plays an increasing role to support complex queries and retrieval across heterogeneous information sources, as well as for service orchestration, semantic translation, and on-the-fly integration. So fa r, this research targets individual solutions or focuses on the Semantic Web, leaving the integration into SDI aside. What is missing is a shared and transparent semantic enablement layer for Spatial Data Infrastructures which also integrates reasoning services known from the Semantic Web. Focusing on Sensor Web Enablement (SWE) we outline how Spatial Data Infrastructures in general can benefit from such a semantic enablement layer. Instead of developing new semantically enabled services from scratch, we propose to create profiles of existing services that implement a transparent mapping between the OGC and the Semantic Web world.

Janowicz, K. Schade, S., Bröring, A., Keßler, C., and Stasch, C. (2009; forthcomming): A Transparent Semantic Enablement Layer for the Geospatial Web. Terra Cognita 2009 Workshop In conjunction with the 8th International Semantic Web Conference (ISWC 2009), October 26, 2009.

Towards Semantic Enablement for Spatial Data Infrastructures

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A short paper that we have submitted today as part of the 52° North semantics community (update: it has been accepted for the EuroSSC 2009).

Abstract Based on abstract reference models, the Open Geospatial Consortium (OGC) has established standards for the storage, retrieval, and processing of geographical information. These standards act as groundwork for the implementation of concrete services and Spatial Data Infrastructures (SDI). Research on geo-semantics plays an increasing role to support complex queries and discovery across heterogeneous information sources, as well as for on-the-fly integration and semantic translation. So far, existing approaches only target individual solutions or focus on the Semantic Web, leaving the integration into SDI aside. What is missing is a common semantic enablement layer on top of spatial data infrastructures which also integrates reasoning services from the semantic web. Focusing on Sensor Web Enablement (SWE) we outline how spatial data infrastructures can benefit from such semantic enablement layer.

Krzysztof Janowicz, Carsten Keßler, Arne Bröring, and Christoph Stasch. Towards Semantic Enablement for Spatial Data Infrastructures

Semantic Enablement Community at 52° North

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In May 2009 we started a semantics community at 52°North. The community focuses on providing a semantic enablement layer (calles SEL) for services developed within other 52°North communities (and OGC in general) to support semantics-based information retrieval, discovery and querying, on-the-fly integration, semantic translation, as well as further reasoning services. You can finde the website at http://52north.org/semantics and the wiki at https://52north.org/twiki/bin/view/Semantics/WebHome. We have just started to do some papers and prototypes but there is more to come…..

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