メタデータ名 C46447-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6687500 39.0500000, 140.6750000 39.0500000, 140.6750000 39.0541667, 140.6687500 39.0541667, 140.6687500 39.0500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral