メタデータ名 G20503131403
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.0125000 31.5583333, 131.0187500 31.5583333, 131.0187500 31.5625000, 131.0125000 31.5625000, 131.0125000 31.5583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral