メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.551083535167 34.071511478065, 134.550905847563 34.0715568089854, 134.550695726164 34.0712723674496, 134.550539301883 34.0710180337326, 134.550589250083 34.0710189441693, 134.551997522722 34.0705792150589, 134.552322122087 34.0711135545356, 134.551180316305 34.0714803637916, 134.551083535167 34.071511478065)) ^^http://www.opengis.net/ont/geosparql#wktLiteral