メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.478730670601 36.2282516161326, 138.479354517255 36.2284915084703, 138.479415918026 36.2285139621007, 138.479382388315 36.2289226934837, 138.479035945749 36.2288906363608, 138.479003944988 36.2292267355628, 138.479712040002 36.2293056380867, 138.479563008119 36.2297636080951, 138.479263426419 36.2306783123443, 138.478831898076 36.2305822164831, 138.478584577322 36.2313336022933, 138.478608550316 36.2313394321537, 138.478650366207 36.2319056918442, 138.478508811647 36.232274762472, 138.478400835407 36.2325719632421, 138.478653771537 36.2326409553982, 138.478560819456 36.2328770577438, 138.478626174017 36.2328512081554, 138.478489316962 36.233193451318, 138.478331195953 36.2335135278361, 138.478183719836 36.2337880667618, 138.477946679269 36.2336673722294, 138.477740038203 36.2335712932626, 138.477597215128 36.2334924756673, 138.477342053783 36.2332992690909, 138.477123911442 36.2331263296378, 138.476982488917 36.2329767450856, 138.476657694291 36.232645478179, 138.476646050382 36.2326324144733, 138.476626532667 36.2326105112203, 138.476038072758 36.2320188929214, 138.475686918943 36.2316604210239, 138.476055117206 36.2311330855653, 138.476205071205 36.2307572254451, 138.476212272629 36.2307436369384, 138.476345421756 36.2304338208556, 138.476352621458 36.2304182783191, 138.476582952332 36.2298744061513, 138.476770078666 36.2294626222899, 138.476950001628 36.2291013403079, 138.476964384161 36.2291052166, 138.477560378375 36.2283506378398, 138.477916292219 36.227936310553, 138.478730670601 36.2282516161326)) ^^http://www.opengis.net/ont/geosparql#wktLiteral