メタデータ名 C23580-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4812500 39.0583333, 140.4875000 39.0583333, 140.4875000 39.0625000, 140.4812500 39.0625000, 140.4812500 39.0583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral