メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.230900760682 36.7471683277414, 137.231056422556 36.7474878329967, 137.231197176763 36.7477598186508, 137.231531058452 36.748330309696, 137.230575629003 36.7486962832488, 137.230426779952 36.7487442365119, 137.23026002927 36.7488044479747, 137.229150174125 36.7492054094563, 137.228819349708 36.7493158987414, 137.2287049689 36.7491618324807, 137.22853948588 36.7488450750822, 137.228406677509 36.7485104197423, 137.228282011212 36.7481204902614, 137.228139643732 36.7475496200559, 137.228107599622 36.7473520713058, 137.228088304739 36.7471493758135, 137.228097652744 36.7468876651786, 137.22802684009 36.746136937653, 137.228569930959 36.7461346303039, 137.229612511991 36.7461411564664, 137.230125709134 36.7461468832606, 137.230239923178 36.746152809832, 137.230998904972 36.7461554525872, 137.231377566981 36.7461552585143, 137.231896983069 36.7461419639682, 137.231894313196 36.746251239444, 137.231834998754 36.7463921575751, 137.231729446841 36.7465410573785, 137.231453904951 36.7467763623609, 137.230900760682 36.7471683277414)) ^^http://www.opengis.net/ont/geosparql#wktLiteral