メタデータ名 G20503131344
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.4125000 31.8333333, 131.4187500 31.8333333, 131.4187500 31.8375000, 131.4125000 31.8375000, 131.4125000 31.8333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral