メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.324617818108 43.0577962097701, 141.325014716649 43.0578518869582, 141.325493906416 43.0579139939427, 141.325409348634 43.0582496949135, 141.325352325069 43.0584955970759, 141.325328941873 43.0585963300312, 141.325177304831 43.0585964406244, 141.325066236459 43.0590557763805, 141.32492275213 43.0595912265054, 141.324242184613 43.0595002697067, 141.323693188513 43.05942352508, 141.323843817041 43.0589048020137, 141.323858008909 43.058847668814, 141.323935708152 43.0585349114307, 141.324061799315 43.0580784414847, 141.324140429175 43.0577292606854, 141.324617818108 43.0577962097701)) ^^http://www.opengis.net/ont/geosparql#wktLiteral