メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.417113678593 43.0781459759666, 141.417298939044 43.0783729386474, 141.417365671337 43.0784541611074, 141.417489697399 43.0786050046918, 141.417547179157 43.0786749782751, 141.417904274345 43.0791007430384, 141.418252882358 43.0794875532635, 141.418316080286 43.0795393522323, 141.418431367911 43.0796343597027, 141.418478859571 43.07966276597, 141.418543101268 43.0810212844863, 141.417179853683 43.0800536375871, 141.41608394298 43.0792844208706, 141.415991799241 43.0792235481855, 141.41581342867 43.0791960860039, 141.41518897145 43.0791154391834, 141.41545100177 43.0785068241028, 141.415620336653 43.0781464266178, 141.415850304449 43.0776657865565, 141.415951485374 43.0774492074071, 141.415959356391 43.0773994711218, 141.415806997221 43.0771664854658, 141.415950657368 43.0771212554918, 141.416205259761 43.0770593204598, 141.416669250434 43.0776167520872, 141.417113678593 43.0781459759666)) ^^http://www.opengis.net/ont/geosparql#wktLiteral