メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.919585816925 35.0706387196509, 136.919190436636 35.0706757413393, 136.919147682664 35.0707012197565, 136.919116155226 35.070905183643, 136.919095224316 35.0711177617081, 136.918822837491 35.0711077736726, 136.918773365973 35.0715483364884, 136.917372902267 35.0714546443322, 136.91738878332 35.071099301145, 136.917407072824 35.0706900866315, 136.917070009702 35.0706462988247, 136.917225235594 35.0698470559436, 136.91836932897 35.0699733299756, 136.919573134344 35.0700690784512, 136.919585816925 35.0706387196509)) ^^http://www.opengis.net/ont/geosparql#wktLiteral