メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.232001950351 34.8401000529979, 137.231318728983 34.8402694549839, 137.231277756061 34.8403145532742, 137.231195855865 34.8404385571632, 137.231168617347 34.8405625320426, 137.23116867824 34.8406414159373, 137.231250750757 34.8407315255804, 137.231414843952 34.8408441299956, 137.231469635043 34.8410018688753, 137.23146982738 34.8412497898357, 137.230813886099 34.8413628268949, 137.230663183886 34.8408896028386, 137.230457737743 34.8403149855257, 137.230170113104 34.8395037600546, 137.230470693234 34.8393909112416, 137.230948937976 34.8392554292093, 137.231768811149 34.8390746853301, 137.231933386095 34.8398070918077, 137.231964638671 34.8399440655633, 137.231974528113 34.839987376177, 137.232001950351 34.8401000529979)) ^^http://www.opengis.net/ont/geosparql#wktLiteral