メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.775955318721 35.3914548103896, 136.775794735561 35.3918347793173, 136.775454510858 35.3926398667551, 136.775337646159 35.3925850530491, 136.775105650905 35.3926151467983, 136.77499113874 35.3926254087419, 136.774546455358 35.3926500942433, 136.774507014005 35.3926522901137, 136.773187157769 35.3926183533992, 136.771668654708 35.3925736886012, 136.771714535966 35.3917368001934, 136.771726253643 35.3913183194377, 136.773242042205 35.3913852318551, 136.773253985338 35.3909716121587, 136.776086529859 35.3910310845273, 136.776137046838 35.391032374593, 136.775955318721 35.3914548103896)) ^^http://www.opengis.net/ont/geosparql#wktLiteral