メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.589238652859 40.6439676921916, 140.589331545128 40.6442242734914, 140.589400583066 40.644359928146, 140.589161214409 40.6444147236029, 140.58862296349 40.644512297552, 140.588455110734 40.644554579054, 140.58829720365 40.644592308258, 140.58828989187 40.6445773773146, 140.588141334197 40.6442100749751, 140.587679068296 40.6433453772124, 140.587864211669 40.6432030157556, 140.587963868245 40.6431361754445, 140.588100410114 40.6430801788781, 140.588276794183 40.6430091404508, 140.588430336425 40.6429640837755, 140.588618011031 40.6429060137029, 140.588737540311 40.6428478693575, 140.588877031103 40.6427551523068, 140.588945694 40.6427019650066, 140.589169769267 40.6432502469186, 140.589189729039 40.6432990466407, 140.589265731037 40.6433228474835, 140.589292441301 40.6433312072674, 140.589379175178 40.6435663848852, 140.58934620018 40.6435725076716, 140.589180786326 40.643605296128, 140.589316978765 40.6439499162272, 140.589238652859 40.6439676921916)) ^^http://www.opengis.net/ont/geosparql#wktLiteral