メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.558418928363 43.2419109014997, 143.55838793012 43.2419413573085, 143.558224300491 43.2421168059315, 143.55802700466 43.2423283669216, 143.557964936713 43.2423948361469, 143.55769240629 43.2426870824221, 143.557069752843 43.24334588467, 143.55705616708 43.2433673501116, 143.556828061442 43.2433802296378, 143.556532560539 43.2434221531564, 143.556450618988 43.2434412357375, 143.555928183371 43.2435778151612, 143.555919334395 43.243555340825, 143.55578142617 43.2432064677709, 143.55558957037 43.2427189601565, 143.555587733015 43.2426780493278, 143.555559193107 43.2420898606336, 143.555552292167 43.2419469603127, 143.555548870046 43.24187695107, 143.555718068672 43.2416151490077, 143.555543597362 43.2414996954973, 143.555563756437 43.2412186394118, 143.55561092167 43.2409589371669, 143.555676777115 43.2406779920762, 143.555734975592 43.2405294237636, 143.556625470868 43.2406643228496, 143.557176706387 43.2400047226344, 143.557766831303 43.2396299296481, 143.558387438438 43.2396548163817, 143.559395717293 43.2409497548582, 143.558418928363 43.2419109014997)) ^^http://www.opengis.net/ont/geosparql#wktLiteral