メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.922623406174 43.5649490272408, 141.922272044652 43.5650394776889, 141.9219457738 43.5651218760577, 141.921600374645 43.5652091063508, 141.921279950897 43.5652917653482, 141.920942579467 43.5653787698532, 141.920615827165 43.5654601066713, 141.920067276367 43.5655966739351, 141.920011228401 43.5656106469721, 141.919942106726 43.5656273249265, 141.919360067459 43.5657678009462, 141.919287920848 43.5657852078389, 141.919271336489 43.5657892392595, 141.919266591409 43.5657903858017, 141.918593203257 43.5659616760734, 141.918569306185 43.5659677600957, 141.918159107381 43.566070963727, 141.917909046987 43.5661338795087, 141.917487243092 43.5662410209617, 141.917329067796 43.5662802933596, 141.916981120098 43.5663667610566, 141.916283184643 43.5665323742114, 141.915964137699 43.5666125240042, 141.915594462625 43.566705393854, 141.914848563604 43.5668898106435, 141.914430662214 43.5669974421259, 141.913997044343 43.5671091060397, 141.913961765135 43.5671181790941, 141.913104805346 43.5673323897802, 141.912580691152 43.5662535379438, 141.913451870654 43.5660494287208, 141.913603524756 43.5663301556776, 141.914478987641 43.5661119861755, 141.915243921571 43.5659247096713, 141.915320655986 43.5659044356896, 141.915153572011 43.5655925116879, 141.915133253876 43.5655505740441, 141.915176296624 43.5655407492125, 141.915182931521 43.5655392573321, 141.915201560717 43.5655803816697, 141.915504020409 43.5655038765699, 141.915757763002 43.5654397112071, 141.916043829887 43.56536744668, 141.916452580276 43.5652720866833, 141.916971626971 43.5651510624093, 141.917389743444 43.5650535469209, 141.917404800964 43.5650500388078, 141.917868243727 43.5649360213994, 141.917702688328 43.5647091284313, 141.917909747744 43.5646475286608, 141.918048687086 43.5648916098703, 141.918169835825 43.5648620032977, 141.918346160336 43.5648189151218, 141.918159686851 43.5644121405902, 141.917627304559 43.5641594246518, 141.917620649552 43.5641430196659, 141.917576497868 43.5640338871564, 141.91750753891 43.5638633950182, 141.917552877091 43.5638669027242, 141.917695801809 43.5638778320303, 141.918362313876 43.5639289641008, 141.918367485011 43.5639293301937, 141.918481196493 43.5639374317349, 141.919149493639 43.5639849773531, 141.919481636729 43.5640086204927, 141.920322280147 43.5640684029376, 141.921071569411 43.5641216913346, 141.921852327038 43.5641772096726, 141.923866695349 43.5643204668831, 141.923990638643 43.5645970224711, 141.923267585416 43.5647831818102, 141.922623406174 43.5649490272408)) ^^http://www.opengis.net/ont/geosparql#wktLiteral