メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.249274754442 36.1191968634691, 136.249280507477 36.1192663750166, 136.249294180899 36.1194316156567, 136.249310683579 36.1196062490846, 136.248425408418 36.1196792167272, 136.248408536904 36.1193946234773, 136.248089700245 36.1194728977362, 136.248064992613 36.1192271369986, 136.248439653647 36.1191422701483, 136.248758549723 36.1190769355038, 136.249013660406 36.1190246589003, 136.249340519584 36.1189528351497, 136.249355781996 36.1191126233551, 136.249357186874 36.1191792146524, 136.249274754442 36.1191968634691)) ^^http://www.opengis.net/ont/geosparql#wktLiteral