メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.345879853408 37.2543608059996, 140.344885141864 37.2547918846906, 140.344695283229 37.2545350338994, 140.344282008895 37.254026542405, 140.344831394313 37.2537986011043, 140.344978737676 37.2537336173074, 140.345193131583 37.2536468007251, 140.344248171722 37.2526483536883, 140.34493787605 37.2522825239964, 140.345603260937 37.2521753113325, 140.346386173043 37.2521855803686, 140.34636285802 37.2522928332122, 140.345879853408 37.2543608059996)) ^^http://www.opengis.net/ont/geosparql#wktLiteral