メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.469300584128 43.4536611143083, 142.468895305896 43.4538532468779, 142.468455157205 43.4540671404639, 142.468441577941 43.4540761681134, 142.467794161017 43.4543560676708, 142.467088185728 43.4546883979535, 142.465742834831 43.4553025645267, 142.464928818168 43.4557047414055, 142.463680232617 43.4542998816505, 142.464491664337 43.4539138924754, 142.465828426602 43.4532913169929, 142.466571043845 43.4529569562421, 142.46719865054 43.45266700894, 142.46770013231 43.4524312732462, 142.468095710311 43.4522543192632, 142.468701968635 43.4529714414337, 142.468990720428 43.4533041324856, 142.469300584128 43.4536611143083)) ^^http://www.opengis.net/ont/geosparql#wktLiteral