メタデータ名 G20553706881
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.0875000 35.8625000, 138.0937500 35.8625000, 138.0937500 35.8666667, 138.0875000 35.8666667, 138.0875000 35.8625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral