How Do I Gecode Data? What? Automatic geocoding of data in quad store.Why? Enable exploitation of SPARQL-GEO for geospatial oriented queries.How? To gecode data one should call the rdf_geo_fill API from Conductor or iSQL:SQL> rdf_geo_fill (); Done. -- 282 msec. SPARQL-GEO sample queries All Educational Institutions within 10km of Oxford, UK: SELECT DISTINCT ?thing AS ?uri ?thingLabel AS ?name ?date AS ?established ?lat ?long WHERE { <http://dbpedia.org/resource/Oxford> geo:geometry ?sourcegeo . ?resource geo:geometry ?matchgeo . ?resource geo:lat ?lat . ?resource geo:long ?long . FILTER ( bif:st_intersects ( ?matchgeo, ?sourcegeo, 5 ) ) . ?thing ?somelink ?resource . ?thing <http://dbpedia.org/property/established> ?date . ?thing rdfs:label ?thingLabel . FILTER ( lang ( ?thingLabel ) = "en" ) } Things within close proximity of London: SELECT DISTINCT ?resource ?label ?location WHERE { <http://dbpedia.org/resource/London> geo:geometry ?sourcegeo . ?resource geo:geometry ?location ; rdfs:label ?label . FILTER ( bif:st_intersects ( ?location, ?sourcegeo, 20 ) ) . FILTER ( lang ( ?label ) = "en" ) } Related Virtuoso Tips and Tricks Collection UNKNOWN tag: http://www.w3.org/1999/xhtml:nowikirdf_geo_fill API UNKNOWN tag: http://www.w3.org/1999/xhtml:nowikirdf_geo_add API Creating Geometries From RDF Data Programmatic Manipulation of Geometries in RDF Using Geometries With Existing Databases OpenLink Billion Triple Demo queries