メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.266214513238 43.1187385411081, 141.266199824153 43.1190386469032, 141.266216722091 43.119523571645, 141.266205036585 43.1196356475511, 141.266191494206 43.1198633990278, 141.264695997549 43.1208545097423, 141.26430770088 43.1205221709185, 141.263919600979 43.1201777365148, 141.263505709337 43.1198254831322, 141.264707561368 43.1190526293268, 141.265255426637 43.1187016851128, 141.266203050825 43.1180926881141, 141.266218506077 43.1184889096924, 141.266214513238 43.1187385411081)) ^^http://www.opengis.net/ont/geosparql#wktLiteral