メタデータ名 G20563700993
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.0625000 34.7791667, 138.0687500 34.7791667, 138.0687500 34.7833333, 138.0625000 34.7833333, 138.0625000 34.7791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral