メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6374263452 35.2507594300738, 138.637843764681 35.2513029017192, 138.638565224365 35.2520537753469, 138.639247571127 35.2527315875794, 138.639503929608 35.2530997443593, 138.63970219959 35.2534308554791, 138.6399564527 35.2538324653347, 138.640079350269 35.2540667593682, 138.639692564678 35.2540777646663, 138.639550752707 35.2540884911165, 138.639361660792 35.2540957486199, 138.639090865851 35.2540714080997, 138.63893190454 35.2541068004768, 138.638785848523 35.2541457691997, 138.638621778589 35.2541821540183, 138.638434118213 35.2541925769017, 138.638287393235 35.2541992222759, 138.638119769203 35.2541958890857, 138.637913422858 35.2541679531056, 138.637728543814 35.2541223187133, 138.637474721973 35.2539745051344, 138.637246709751 35.2538443395012, 138.637123177763 35.253763351511, 138.636886707344 35.2535814331632, 138.63681736624 35.253502989225, 138.636729701615 35.2534542851091, 138.636645251516 35.2534595193185, 138.636573370288 35.2534903763449, 138.636482786482 35.2535674486, 138.635870784885 35.2532717924872, 138.635587485768 35.2531476696542, 138.635307274983 35.2529824891199, 138.635448969292 35.2528378956247, 138.635388152828 35.2527155674195, 138.635325394345 35.2526002163996, 138.635168802425 35.2524797544111, 138.634896655834 35.2524698445465, 138.634762164469 35.2524751325671, 138.634671432795 35.2524572764663, 138.634593138283 35.2524008832416, 138.634243571536 35.2519124670057, 138.634168325911 35.2518048020661, 138.634133776604 35.2517176587857, 138.634143005831 35.2516277892647, 138.634160074342 35.2515469954911, 138.633965737418 35.2513008727948, 138.633893692339 35.2512394020579, 138.633768316898 35.2510778497955, 138.633721226153 35.2509804368243, 138.633951006708 35.2509070870739, 138.634207337471 35.2508092688059, 138.634497940262 35.2506396544374, 138.634685405058 35.2505162802344, 138.634478608497 35.2503009453278, 138.634328598076 35.2503729405067, 138.634046728725 35.2501602930191, 138.633865630052 35.2500585200377, 138.634228675722 35.2497249528314, 138.634554029058 35.2498883979955, 138.635842775108 35.2502792270919, 138.637002905276 35.2506433558075, 138.6374263452 35.2507594300738)) ^^http://www.opengis.net/ont/geosparql#wktLiteral