メタデータ名 G20492930683
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.2062500 43.0666667, 143.2125000 43.0666667, 143.2125000 43.0708334, 143.2062500 43.0708334, 143.2062500 43.0666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral