メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.372386982724 43.1078387685024, 141.372887630595 43.10791447657, 141.373437165613 43.1080015971696, 141.373310254068 43.1085062660302, 141.373149247655 43.1091463313107, 141.372595744598 43.109067476535, 141.372068653241 43.1089943773901, 141.371485230614 43.108906990194, 141.371681232449 43.1081235213273, 141.371780880404 43.1077539519578, 141.372386982724 43.1078387685024)) ^^http://www.opengis.net/ont/geosparql#wktLiteral