メタデータ名 G20513641081
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8937500 42.4375000, 139.9000000 42.4375000, 139.9000000 42.4416667, 139.8937500 42.4416667, 139.8937500 42.4375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral