メタデータ名 G20473033534
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.3437500 31.6208334, 131.3500000 31.6208334, 131.3500000 31.6250000, 131.3437500 31.6250000, 131.3437500 31.6208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral