メタデータ名 G20513307201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.3000000 36.3125000, 138.3062500 36.3125000, 138.3062500 36.3166667, 138.3000000 36.3166667, 138.3000000 36.3125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral