Hello @eparejatobes. Today i just took a quick look and at the begining I had one question. I was diving into code and after some time I think that I found answer for my question but maybe it will be better if you answer it - just to be sure: Could you tell me why i.e. TypedEdge have parameter SourceGraph (SG)/TargetGraph (TG) ? In a weekend I spend some more time.