メタデータ名 G20503203621
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4812500 40.9041667, 140.4875000 40.9041667, 140.4875000 40.9083333, 140.4812500 40.9083333, 140.4812500 40.9041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral