メタデータ名 G20493027741
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.0812500 42.0583333, 140.0875000 42.0583333, 140.0875000 42.0625000, 140.0812500 42.0625000, 140.0812500 42.0583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral