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- GeoSPARQL is a standard for representation and querying of geospatial linked data for the Semantic Web from the Open Geospatial Consortium (OGC). The definition of a small ontology based on well-understood OGC standards is intended to provide a standardized exchange basis for geospatial RDF data which can support both qualitative and quantitative spatial reasoning and querying with the SPARQL database query language. The Ordnance Survey Linked Data Platform uses OWL mappings for GeoSPARQL equivalent properties in its vocabulary. The LinkedGeoData data set is a work of the Agile Knowledge Engineering and Semantic Web (AKSW) research group at the University of Leipzig, a group mostly known for DBpedia, that uses the GeoSPARQL vocabulary to represent OpenStreetMap data. In particular, GeoSPARQL provides for:
* a small topological ontology in RDFS/OWL for representation using
* Geography Markup Language (GML) and well-known text representation of geometry (WKT) literals, and
* Simple Features, RCC8, and DE-9IM (a.k.a. Clementini, Egenhofer) topological relationship vocabularies and ontologies for qualitative reasoning, and
* a SPARQL query interface using
* a set of topological SPARQL extension functions for quantitative reasoning, and
* a set of Rule Interchange Format (RIF) Core inference rules for query transformation and interpretation. (en)
- GeoSPARQL è uno standard per la rappresentazione e l'interrogazione di Linked data geografici nel Web semantico descritto dall'Open Geospatial Consortium (OGC). La definizione di una piccola ontologia basata sui ben noti standard OGC ha come scopo il fornire una base di scambio standardizzato per dati geospaziali RDF in grado di supportare interrogazioni sia qualitative sia quantitative con il linguaggio di query SPARQL. (it)
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- 18249 (xsd:nonNegativeInteger)
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- GeoSPARQL è uno standard per la rappresentazione e l'interrogazione di Linked data geografici nel Web semantico descritto dall'Open Geospatial Consortium (OGC). La definizione di una piccola ontologia basata sui ben noti standard OGC ha come scopo il fornire una base di scambio standardizzato per dati geospaziali RDF in grado di supportare interrogazioni sia qualitative sia quantitative con il linguaggio di query SPARQL. (it)
- GeoSPARQL is a standard for representation and querying of geospatial linked data for the Semantic Web from the Open Geospatial Consortium (OGC). The definition of a small ontology based on well-understood OGC standards is intended to provide a standardized exchange basis for geospatial RDF data which can support both qualitative and quantitative spatial reasoning and querying with the SPARQL database query language. In particular, GeoSPARQL provides for: (en)
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- GeoSPARQL (it)
- OGC GeoSPARQL (en)
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- POINT(-77.089004516602 38.91357421875)
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