メタデータ名 G20513207684
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0812500 34.9291667, 139.0875000 34.9291667, 139.0875000 34.9333333, 139.0812500 34.9333333, 139.0812500 34.9291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral