メタデータ名 G20503037873
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0375000 37.4750000, 141.0437500 37.4750000, 141.0437500 37.4791667, 141.0375000 37.4791667, 141.0375000 37.4750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral