メタデータ名 G20574020241
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6937500 38.7500000, 140.7000000 38.7500000, 140.7000000 38.7541667, 140.6937500 38.7541667, 140.6937500 38.7500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral