メタデータ名 G20503031042
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0812500 34.8958334, 139.0875000 34.8958334, 139.0875000 34.9000000, 139.0812500 34.9000000, 139.0812500 34.8958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral