メタデータ名 G20503004551
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7625000 36.6041667, 139.7687500 36.6041667, 139.7687500 36.6083333, 139.7625000 36.6083333, 139.7625000 36.6041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral