メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.281932514156 35.0644350776037, 135.281874485183 35.0647561162166, 135.28186261272 35.0648217998589, 135.280447168176 35.0648328808962, 135.280425429224 35.0641711013586, 135.280640577064 35.0641671132071, 135.280641196065 35.0641675491623, 135.281760191253 35.06414281168, 135.281761591415 35.0641451867927, 135.281985092935 35.0641442001809, 135.281932514156 35.0644350776037)) ^^http://www.opengis.net/ont/geosparql#wktLiteral