メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.635008333016 33.2232684209303, 131.635108004269 33.224280350506, 131.634188603775 33.2243943390363, 131.631874927713 33.2246625655922, 131.63132385325 33.2247182095905, 131.631211429211 33.2247380320582, 131.631330119565 33.2243300045943, 131.631516745095 33.2235722023025, 131.631622395436 33.2232337879206, 131.631788088434 33.2227189717861, 131.633187486782 33.222547412274, 131.633951836699 33.2224365850421, 131.634881340092 33.2223313907738, 131.635008333016 33.2232684209303)) ^^http://www.opengis.net/ont/geosparql#wktLiteral