メタデータ名 G20513305993
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.0750000 34.6875000, 138.0812500 34.6875000, 138.0812500 34.6916667, 138.0750000 34.6916667, 138.0750000 34.6875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral