Foal 2003 Proceedings Foundations of Aspect-oriented Langauges Workshop at Aosd 2003 Composition Graphs, a Foundation for Reasoning about Aspect-oriented Composition . . . . . . 1

Aspect-oriented languages offer new modularization concepts and composition approaches to provide more flexible solutions for the separation and integration of concerns. There are significant differences among aspect-oriented languages, due to the specific language constructs that they adopt. In this paper, we propose a common model, called Composition Graph, to represent different aspect-oriented approaches in a uniform way that can serve as a basis for the comparison of aspect-oriented languages. We also present a transformation language which can be used to model different weaving operations in our model.