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|Title:||Improving Geodatabase Semantic Querying Exploiting Ontologies|
|Authors:||BAGLIONI Miriam; MASSEROTTI Maria Vittoria; RENSO Chiara; SPINSANTI LAURA|
|Citation:||GeoSpatial Semantics : 4th International Conference, GeoS 2011, Brest, France, May 12-13, 2011, Proceedings vol. 6631 p. 16-33|
|JRC Publication N°:||JRC63722|
|Type:||Contributions to Conferences|
|Abstract:||Geospatial semantic querying to geographical databases has been recognized as an hot topic in GIS research. Most approaches propose to adopt an ontology as a knowledge representation structure on top of the database, representing the concepts the user can query. These concepts are typically directly mapped to database tables. In this paper we propose a methodology where the ontology is further exploited mapping axioms to spatial SQL queries. The main advantage of this approach is that semantic-rich geospatial queries can be abstractly represented in the ontology and automatically translated into spatial SQL queries.|
|JRC Institute:||Institute for Environment and Sustainability|
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