$result = new NamedGraphMem("resultGraph");

$statement1 = new Statement(new Resource("http://example.org/data/x"),new Resource("http://example.org/ns#p"),new Literal("2"));
$statement2 = new Statement(new Resource("http://example.org/data/x"),new Resource("http://example.org/ns#p"),new Literal("1"));




$result->add($statement1);
$result->add($statement2);