メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.905352663562 43.5274426877435, 141.904372267677 43.5283035798391, 141.90409843026 43.5285227582924, 141.903600133079 43.5274860355914, 141.903337649384 43.5268277617948, 141.903252946731 43.5263764696838, 141.903219788261 43.526071435793, 141.90321341634 43.5256584979763, 141.903263654224 43.5251954137053, 141.903879770378 43.5247793043844, 141.904543359867 43.5243159006303, 141.904666431295 43.5241943640926, 141.904713494394 43.5243888178812, 141.904992442978 43.5253205309511, 141.905556237761 43.5272639377307, 141.905352663562 43.5274426877435)) ^^http://www.opengis.net/ont/geosparql#wktLiteral