メタデータ名 G20503650424
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8625000 42.4250000, 139.8687500 42.4250000, 139.8687500 42.4291667, 139.8625000 42.4291667, 139.8625000 42.4250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral