メタデータ名 G20594003452
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.750662708778 43.1942927422768, 141.749861996269 43.1950827628458, 141.748812041357 43.1945414298534, 141.748873461596 43.1944594859318, 141.749554341936 43.1937365328903, 141.749589091784 43.1937539172409, 141.750662708778 43.1942927422768)) ^^http://www.opengis.net/ont/geosparql#wktLiteral