メタデータ名 G20473034244
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1375000 38.9166667, 141.1437500 38.9166667, 141.1437500 38.9208334, 141.1375000 38.9208334, 141.1375000 38.9166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral