メタデータ名 G20503226342
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6875000 39.0333333, 141.6937500 39.0333333, 141.6937500 39.0375000, 141.6875000 39.0375000, 141.6875000 39.0333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral