メタデータ名 G20583957623
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8750000 38.9833333, 139.8812500 38.9833333, 139.8812500 38.9875000, 139.8750000 38.9875000, 139.8750000 38.9833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral