メタデータ名 G20513571912
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.4750000 34.1916667, 131.4812500 34.1916667, 131.4812500 34.1958334, 131.4750000 34.1958334, 131.4750000 34.1916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral