メタデータ名 G20513452452
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.3125000 34.8916667, 138.3187500 34.8916667, 138.3187500 34.8958334, 138.3125000 34.8958334, 138.3125000 34.8916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral