メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.175326361851 34.6767723866636, 135.176130355041 34.677233343989, 135.175768264895 34.6775761638086, 135.175596605162 34.6777296479955, 135.175389758704 34.6779145886045, 135.175219611271 34.6780847952528, 135.17502754856 34.6782461382865, 135.17484090992 34.6781347423766, 135.174074991615 34.6776622449497, 135.174236151933 34.6774830681559, 135.17424225318 34.6774762837493, 135.174396125233 34.6773152058414, 135.174744398203 34.6769544558409, 135.175084758264 34.6766208042544, 135.175326361851 34.6767723866636)) ^^http://www.opengis.net/ont/geosparql#wktLiteral