Sammendrag
We present an evaluation of the Graphical Modeling Framework (GMF) based on our experiences in developing an editor for the risk modeling language CORAS using GMF. Our main hypothesis isthat GMF shortens development time and results in more reliable and maintainable systems than alternative approaches which are not based on code generation. We conclude that the hypothesis is true, but that the answer is not as clear cut as we initially believed, and that there isstill a large potential for improvement.