メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.318558256522 43.0635888347085, 141.31850540271 43.0637852551199, 141.318470038165 43.0639226011882, 141.31843376874 43.0640690121896, 141.318404210239 43.0641902998495, 141.318355633548 43.0643765565212, 141.318263263326 43.0647309659108, 141.317505543409 43.064626753965, 141.317459019449 43.0646206080479, 141.31711593846 43.0645748407173, 141.31705382053 43.0645660352022, 141.316565589856 43.0644966475755, 141.316128922718 43.0640384081944, 141.316302794496 43.0639455860187, 141.316407927214 43.0638883524519, 141.3166259511 43.0637682508897, 141.317107484133 43.0635328491167, 141.317981660183 43.0630849450507, 141.318030381365 43.0630599532891, 141.318447783104 43.0628530687514, 141.318786932798 43.0626892906485, 141.318773618904 43.0627830012755, 141.318732520693 43.0629252942456, 141.318663276357 43.0631653954616, 141.318558256522 43.0635888347085)) ^^http://www.opengis.net/ont/geosparql#wktLiteral