メタデータ名 S252030590
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6812500 45.1625000, 141.6875000 45.1625000, 141.6875000 45.1666667, 141.6812500 45.1666667, 141.6812500 45.1625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral