メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.333720207599 43.0485115292328, 141.333697734505 43.0486747246644, 141.333683468169 43.0487699076259, 141.333674639867 43.0488861623632, 141.333632992453 43.0492165882646, 141.332972134529 43.0491742299663, 141.331946973056 43.0490996870138, 141.331996630771 43.048740771252, 141.331959073848 43.0487385011058, 141.331968858396 43.0486612166142, 141.332000071987 43.0484136962362, 141.332027374825 43.048197018364, 141.332042378212 43.0480783521538, 141.33208511613 43.0477397067859, 141.333813290631 43.0478629913699, 141.333720207599 43.0485115292328)) ^^http://www.opengis.net/ont/geosparql#wktLiteral