メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.636867163259 42.8279639641731, 141.636573046122 42.8281915313125, 141.636536550715 42.8282199611525, 141.636284643933 42.8284159639353, 141.63624533582 42.8284485278883, 141.63589397943 42.8287385936495, 141.635456455159 42.8291128054213, 141.634625691954 42.8298072358762, 141.633837694716 42.8304657397595, 141.633559933165 42.8307230677399, 141.633328706061 42.8309131264587, 141.633020475723 42.83115903558, 141.632399060981 42.8303111255319, 141.632167458618 42.8299492782828, 141.631990129801 42.8296452567272, 141.63186459885 42.8294555939812, 141.631775686248 42.8293309756599, 141.631559300143 42.8290153476787, 141.632153717617 42.8287732394185, 141.632358184987 42.8287080198175, 141.632590340415 42.828625577903, 141.633314332061 42.8283582103222, 141.633621118038 42.8282559821648, 141.634008761939 42.8281131142455, 141.63425812364 42.8280199998009, 141.634315709998 42.8279991401712, 141.634915636212 42.8277824369944, 141.635229344709 42.827670535905, 141.635549825571 42.827559725439, 141.635666294466 42.8275172366839, 141.636006221758 42.827372348284, 141.636201257823 42.8273032026578, 141.6368822611 42.8270511954544, 141.637503879098 42.8268227788606, 141.638211626062 42.8265512828931, 141.638460320459 42.8266989051845, 141.638276605449 42.8268556800556, 141.637922180833 42.827134200888, 141.636889885727 42.827946502992, 141.636867163259 42.8279639641731)) ^^http://www.opengis.net/ont/geosparql#wktLiteral