メタデータ名 C46000-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.7750000 31.7375000, 130.7812500 31.7375000, 130.7812500 31.7416667, 130.7750000 31.7416667, 130.7750000 31.7375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral