メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.72423365948 36.6709502575089, 136.725348649139 36.6707154257348, 136.725683545949 36.6719102787083, 136.726081278879 36.672377070003, 136.725482489836 36.6727073906134, 136.724838520374 36.6731274516069, 136.72415395628 36.6735686923718, 136.723391280485 36.6740158757519, 136.723340872161 36.6740454303684, 136.722747169915 36.6744521493832, 136.722325438784 36.6747888183871, 136.721773809648 36.6752337097242, 136.720963987396 36.6727123577582, 136.72176116594 36.6725550829877, 136.721584237337 36.671988910847, 136.721328387784 36.672039001804, 136.721155301323 36.6714893171351, 136.722016460354 36.6713674135749, 136.721870528779 36.6707591279679, 136.721657178019 36.6707878097016, 136.721554860695 36.6703384495496, 136.721920155845 36.6702910177859, 136.721823023724 36.6698927833862, 136.722413387577 36.6698649893013, 136.724301895252 36.6694608291783, 136.72423365948 36.6709502575089)) ^^http://www.opengis.net/ont/geosparql#wktLiteral