メタデータ名 G20473034831
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.3000000 31.5916667, 131.3062500 31.5916667, 131.3062500 31.5958334, 131.3000000 31.5958334, 131.3000000 31.5916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral