メタデータ名 G20483020323
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.5687500 38.9333333, 141.5750000 38.9333333, 141.5750000 38.9375000, 141.5687500 38.9375000, 141.5687500 38.9333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral