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- item-5 hasContent christoph-stasch.
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- 7 creator anthony-g-cohn.
- 7 creator glen-hart.
- 7 creator ronald-denaux.
- 7 creator vania-dimitrova.
- 7 type InProceedings.
- 7 label "Towards Modelling the Intended Purpose of Ontologies: A Case Study in Geography".
- 7 sameAs 7.
- 7 abstract "As the Semantic Web technologies gain popularity, more organisations are providing semantic resources related to the geographical domain but are doing this based on ontologies that represent their own conceptualisations andfinding, understanding and evaluating relevant semantic resources is still very time consuming, cognitively demanding and often require a deep understanding of the domain and the used semantic technologies. To help address this problem, we are investigating how ontology purposes can be captured and used to facilitate ontology engineering. The paper presents an exploratory study which examines whether it is possible to identify generic categories to model the purpose of geography-related ontologies. As an output, we present an initial categorisation of ontology purposes and discuss how these categories can help us understand the ontology itself.".
- 7 hasAuthorList authorList.
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- 7 keyword "Exploratory Study".
- 7 keyword "Ontology Engineering".
- 7 keyword "Ontology Metadata".
- 7 keyword "Ontology Purpose".
- 7 title "Towards Modelling the Intended Purpose of Ontologies: A Case Study in Geography".
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- 8 creator craig-norvell.
- 8 creator jans-aasman.
- 8 creator steve-haflich.
- 8 type InProceedings.
- 8 label "Efficient 3D and 4D Geospatial Indexing in RDF Stores with a Focus on Moving Objects".
- 8 sameAs 8.
- 8 abstract "We first explain AllegroGraph's existing capabilities for 2D geospatial indexing for proximity queries. We explain our general position on geospatial encoding and serialization. We describe our current work extending to 3D and 4D to support moving objects (MOBs) with efficient cursors on MOB tracks, and posit five classes of MOB queries.".
- 8 hasAuthorList authorList.
- 8 isPartOf proceedings.
- 8 keyword "Geospatial 2D 3D 4D".
- 8 keyword "moving objects".
- 8 keyword "rdf database".
- 8 keyword "scalability".
- 8 title "Efficient 3D and 4D Geospatial Indexing in RDF Stores with a Focus on Moving Objects".
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- 1 creator dave-kolas.
- 1 type InProceedings.
- 1 label "Supporting Spatial Semantics with SPARQL".
- 1 sameAs 1.
- 1 abstract "Though the intersection of spatial data and semantic web technologies holds significant promise, there are still many challenges before this promise can be realized. One of these challenges is query representation. History suggests that an appropriate solution is a specialized query language for spatial data; however, with a broad interpretation of the SPARQL specification and extensions that would be useful outside the spatial realm, one can use SPARQL to query spatial concepts effectively. This paper establishes a set of desiderata for a query language capable of dealing with spatial Semantic Web-based data, discusses the challenges facing such a query language, and addresses these challenges with straightforward solutions that are broadly applicable. The effectiveness of these extensions is demonstrated using example queries.".
- 1 hasAuthorList authorList.
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- 1 keyword "SPARQL".
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- 1 keyword "spatial".
- 1 title "Supporting Spatial Semantics with SPARQL".
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- item-1 hasContent dave-kolas.
- 2 creator catherine-dolbear.
- 2 creator glen-hart.
- 2 creator john-goodwin.
- 2 type InProceedings.
- 2 label "Geographical Linked Data: The Administrative Geography of Great Britain on the Semantic Web".
- 2 sameAs 2.
- 2 abstract "The national mapping agency of Great Britain, Ordnance Survey, is investigating how semantic web technologies assist its role as a geographical information provider. A major part of this work involves the development of prototype products and datasets in RDF. This paper discusses the production of an example dataset for the administrative of Great Britain demonstrating the benefits of explicitly encoding topological relations between geographic entities over traditional spatial queries. We also outline how this data can be linked to other datasets on the Linked Data Web and some of the challenges that this produces.".
- 2 hasAuthorList authorList.
- 2 isPartOf proceedings.
- 2 keyword "RDF".
- 2 keyword "Semantic Web".
- 2 keyword "administrative geography".
- 2 keyword "geographic data".