メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.804653355701 35.2369040393746, 136.803554670311 35.2369919519128, 136.803213410465 35.237014028092, 136.80307370644 35.2370621311745, 136.802616013064 35.2370920962733, 136.802629609908 35.2374074255033, 136.802297205239 35.2374162864371, 136.802316370329 35.2365667469342, 136.802816300302 35.2365155712384, 136.803482810101 35.236461583669, 136.803764910352 35.2364286954882, 136.804579086288 35.2363681714036, 136.806081867528 35.2362446211611, 136.806127357182 35.2366159621263, 136.804631135949 35.2367436881235, 136.804653355701 35.2369040393746)) ^^http://www.opengis.net/ont/geosparql#wktLiteral