メタデータ名 G20503324161
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.3437500 31.9666667, 131.3500000 31.9666667, 131.3500000 31.9708334, 131.3437500 31.9708334, 131.3437500 31.9666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral