メタデータ名 C21304-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.7812500 41.8583333, 140.7875000 41.8583333, 140.7875000 41.8625000, 140.7812500 41.8625000, 140.7812500 41.8583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral