メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.205313892368 36.6923732515045, 137.205340495299 36.6927475137803, 137.205353885353 36.6929823083465, 137.205359765406 36.6931735964519, 137.205377380081 36.6933793138336, 137.204329367346 36.693482530335, 137.20439561808 36.6936576059005, 137.204281108878 36.6935913930116, 137.204073744365 36.6934543834707, 137.203946268732 36.6933701509116, 137.203643119531 36.6931262290261, 137.20329037777 36.692860072265, 137.203077397243 36.6926993381208, 137.202888099259 36.6925455638648, 137.203007896455 36.6925346821573, 137.202881711912 36.6920922296734, 137.203261476784 36.6920604950766, 137.203845748427 36.6920116523887, 137.204449346971 36.6919536497876, 137.205268162694 36.6918885289173, 137.205313892368 36.6923732515045)) ^^http://www.opengis.net/ont/geosparql#wktLiteral