メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.036803656812 38.0945873108557, 140.03706022812 38.0945905977279, 140.0369770463 38.0956973979487, 140.039347287437 38.0957460905759, 140.039290417313 38.0961121532793, 140.039250489759 38.0963528964636, 140.039248147288 38.0965692570356, 140.039259802184 38.0970723381395, 140.039334781783 38.0977651928968, 140.03852025635 38.0978190976497, 140.03773333714 38.0978569929283, 140.036909321834 38.0978494428534, 140.036332983697 38.097771205851, 140.034686339684 38.0975473141604, 140.034723170803 38.0972078662002, 140.034782071805 38.0966655651278, 140.034836120574 38.0956607739115, 140.034936432674 38.0945377612707, 140.036803656812 38.0945873108557)) ^^http://www.opengis.net/ont/geosparql#wktLiteral