メタデータ名 G20574016204
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.0750000 34.6416667, 138.0812500 34.6416667, 138.0812500 34.6458334, 138.0750000 34.6458334, 138.0750000 34.6416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral