メタデータ名 G20503046863
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4375000 36.1666667, 139.4437500 36.1666667, 139.4437500 36.1708334, 139.4375000 36.1708334, 139.4375000 36.1666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral