メタデータ名 G20503200491
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.8312500 33.2791667, 129.8375000 33.2791667, 129.8375000 33.2833333, 129.8312500 33.2833333, 129.8312500 33.2791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral