メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.505084231063 43.0139500250005, 141.505330416355 43.0143176343141, 141.505604488788 43.0147373301139, 141.505829651404 43.0151002308812, 141.506120615131 43.0154589874314, 141.505710816822 43.015591987151, 141.504866282933 43.0158668920525, 141.504224845924 43.0160694104079, 141.503923406559 43.0161694221661, 141.50343895545 43.0163165548595, 141.502736475457 43.0165413121688, 141.502388590702 43.0159654831649, 141.502304521085 43.0158401657866, 141.502249989059 43.0157456310029, 141.502042014348 43.0153850921006, 141.501747333108 43.0149279066848, 141.501382583006 43.0143100472776, 141.50207305529 43.0140542032145, 141.502502785571 43.0139133293228, 141.503478139435 43.0135935803853, 141.504521863487 43.0132580233552, 141.504596879326 43.0132324895588, 141.504695275836 43.0133857513884, 141.505084231063 43.0139500250005)) ^^http://www.opengis.net/ont/geosparql#wktLiteral