メタデータ名 G20513553513
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9500000 39.1916667, 139.9562500 39.1916667, 139.9562500 39.1958334, 139.9500000 39.1958334, 139.9500000 39.1916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral