メタデータ名 G20473062472
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9500000 39.5750000, 141.9562500 39.5750000, 141.9562500 39.5791667, 141.9500000 39.5791667, 141.9500000 39.5750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral