メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.965003275675 43.5407896156977, 144.964951211049 43.5408313565613, 144.963774139981 43.541686622776, 144.963551668321 43.5412616972139, 144.96319130897 43.540650572922, 144.96277756899 43.5399785176154, 144.96243650024 43.5394350353431, 144.96232992957 43.5392616980325, 144.963678560302 43.5382064289594, 144.963754627915 43.5381524813924, 144.963796854671 43.5381715186233, 144.964927023133 43.5406243506093, 144.964953799973 43.5406824309411, 144.965003275675 43.5407896156977)) ^^http://www.opengis.net/ont/geosparql#wktLiteral