メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.2187500 40.0333333, 140.2250000 40.0333333, 140.2250000 40.0375000, 140.2187500 40.0375000, 140.2187500 40.0333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral