メタデータ名 C12217-20080401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.2187500 35.6083333, 139.2250000 35.6083333, 139.2250000 35.6125000, 139.2187500 35.6125000, 139.2187500 35.6083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral