メタデータ名 C12468-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.0562500 40.2083333, 140.0625000 40.2083333, 140.0625000 40.2125000, 140.0562500 40.2125000, 140.0562500 40.2083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral