メタデータ名 G20483006464
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.1625000 34.6833333, 138.1687500 34.6833333, 138.1687500 34.6875000, 138.1625000 34.6875000, 138.1625000 34.6833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral