メタデータ名 G20473017124
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.0187500 34.8625000, 138.0250000 34.8625000, 138.0250000 34.8666667, 138.0187500 34.8666667, 138.0187500 34.8625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral