Agent-Based Technologies and Applications for Enterprise Interoperability International Workshops, ATOP 2005 Utrecht, The Netherlands, July 25-26, 2005, and ATOP 2008, Estoril, Portugal, May 12-13, 2008, Revised Selected Papers - Fischer, Klaus; Müller, Jörg P.; Odell, James; Berre, Arne Jørgen (Springer Berlin Heidelberg : Imprint: Springer, 2009)