メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.056724765748 37.752343798177, 139.056426247943 37.7524019439188, 139.056571930791 37.7529155531936, 139.055555803489 37.7531098441656, 139.055421314807 37.7526820628023, 139.055139381496 37.7517582762793, 139.055094240934 37.751613338716, 139.055452319348 37.7515532253268, 139.056806055193 37.7512907463903, 139.056724765748 37.752343798177)) ^^http://www.opengis.net/ont/geosparql#wktLiteral