1. Corradini, A., Montanari, U., Rossi, F.: Graph processes. Fundamenta Informaticae 26(3–4), 241–265 (1996)
2. Lecture Notes in Computer Science;J. Lara de,2002
3. De Leenheer, P., Mens, T.: Ontology Evolution: State of the Art and Future Directions. In: Ontology Management for the Semantic Web, Semantic Web Services, and Business Applications. Springer, Heidelberg (2008)
4. Lecture Notes in Artificial Intelligence;A. Moor de,2006
5. Ermel, C., Ehrig, K., Taentzer, G., Weiss, E.: Object-oriented and rule-based design of visual languages using tiger. In: Proc. workshop on Graph-Based Tools (GraBaTs). Electronic Communications of the EASST, vol. 1 (2006)