メタデータ名 G20503200491
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2187500 40.7000000, 141.2250000 40.7000000, 141.2250000 40.7041667, 141.2187500 40.7041667, 141.2187500 40.7000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral