public void TestFilter()
{
var g = new BrightstarDB.Graph.Graph("type=http;endpoint=http://localhost:8090/brightstar", "movielens");
var query = new Query(g, new Uri("http://brightstardb.com/samples/movielens/user/" + 500));
query.TraverseInverse("http://brightstardb.com/samples/movielens/model/user"); // traverse to ratings
query.Filter("http://brightstardb.com/samples/movielens/model/value", "4", Operator.Eq);
var result = query.Execute();
Assert.IsNotNull(result);
Assert.IsNotNull(result.ResourceSet);
Assert.IsTrue(result.ResourceSet.Count > 0);
}