メタデータ名 G20493234754
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.8437500 33.3750000, 129.8500000 33.3750000, 129.8500000 33.3791667, 129.8437500 33.3791667, 129.8437500 33.3750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral