メタデータ名 G20583927572
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0437500 39.3958334, 141.0500000 39.3958334, 141.0500000 39.4000000, 141.0437500 39.4000000, 141.0437500 39.3958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral