メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.388371125663 40.5544553570096, 141.385886710034 40.5534693440329, 141.385895373611 40.5532445763049, 141.38591522759 40.5530959900267, 141.385956461254 40.5529954613959, 141.386018904358 40.55291087253, 141.386109411319 40.5528398346261, 141.386437845003 40.5526720734235, 141.386652468351 40.5525346193598, 141.386767289453 40.5524257167217, 141.386824373492 40.5523291209498, 141.386927600483 40.5520838122033, 141.387036565544 40.5519026791426, 141.387161417251 40.5517295246591, 141.387249860011 40.5516046706735, 141.387311475054 40.5514197893149, 141.387448587396 40.5514081547735, 141.387615260417 40.5514686723863, 141.387798335008 40.5515659434584, 141.388040246434 40.5516506186021, 141.388217464397 40.5516865993347, 141.38835546944 40.5516991998083, 141.388650205606 40.5517018619782, 141.388782169682 40.5516753007672, 141.388815080996 40.5516562515432, 141.388824508127 40.5516306293157, 141.388824102512 40.5515816263596, 141.388828609887 40.5515690107659, 141.388855754393 40.5515776050879, 141.389303150788 40.5521037754324, 141.388361258584 40.5531515183622, 141.388186022296 40.553305320744, 141.387971256859 40.5535205241515, 141.387804145966 40.5536864935174, 141.388391307578 40.5538733595032, 141.388249081506 40.5541371490812, 141.388578424173 40.5541906202933, 141.388371125663 40.5544553570096)) ^^http://www.opengis.net/ont/geosparql#wktLiteral