メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.901344318092 37.3930980358203, 136.901438522029 37.3931320390582, 136.901926505134 37.3931020157172, 136.901980583293 37.3934420266733, 136.902008698836 37.3938069007, 136.901563678899 37.3938312463424, 136.90140345897 37.3938322944105, 136.90092112423 37.393835435348, 136.900858548344 37.3929951454583, 136.900977703299 37.3929972444154, 136.901152701041 37.3930210107623, 136.901344318092 37.3930980358203)) ^^http://www.opengis.net/ont/geosparql#wktLiteral