メタデータ名 indicator-C330503
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8625000 39.0083333, 140.8687500 39.0083333, 140.8687500 39.0125000, 140.8625000 39.0125000, 140.8625000 39.0083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral