Advances in Enterprise Engineering III 5th International Workshop, CIAO! 2009, and 5th International Workshop, EOMAS 2009, held at CAiSE 2009, Amsterdam, The Netherlands, June 8-9, 2009. Proceedings - Albani, Antonia; Barjis, Joseph; Dietz, Jan L. G. (Springer Berlin Heidelberg : Imprint: Springer, 2009)