メタデータ名 C47320
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.0875000 34.0416667, 131.0937500 34.0416667, 131.0937500 34.0458334, 131.0875000 34.0458334, 131.0875000 34.0416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral