UML 2004 - The Unified Modeling Language Modeling Languages and Applications. 7th International Conference, Lisbon, Portugal, October 11-15, 2004. Proceedings - Baar, Thomas; Baar, Thomas; Strohmeier, Alfred; Strohmeier, Alfred; Moreira, Ana; Moreira, Ana (Springer Berlin Heidelberg : Imprint: Springer, 2004)