メタデータ名 G20594131592
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7687500 43.2000000, 141.7750000 43.2000000, 141.7750000 43.2041667, 141.7687500 43.2041667, 141.7687500 43.2000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral