メタデータ名 C1529
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9937500 43.4666667, 142.0000000 43.4666667, 142.0000000 43.4708334, 141.9937500 43.4708334, 141.9937500 43.4666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral