メタデータ名 G20513224323
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9375000 42.7041667, 141.9437500 42.7041667, 141.9437500 42.7083333, 141.9375000 42.7083333, 141.9375000 42.7041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral