メタデータ名 G20503056223
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.1937500 34.9000000, 138.2000000 34.9000000, 138.2000000 34.9041667, 138.1937500 34.9041667, 138.1937500 34.9000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral