Joint Proceedings of the 5th International Workshop on Ubiquitous Computing (IWUC 2008) 4th International Workshop on Model-Driven Enterprise Information Systems (MDEIS 2008) 3rd International Workshop on Technologies for Context-Aware Business Process Management (TCoB 2008) Acronym: IWUC 2008/ICEIS Event held on: June 12-16, 2008, in Barcelona, Portugal Editors: Soraya Kouadri Mostéfaoui 1 , Zakaria Maamar 2 , Luís Fereira Píres 3 , Slimane Hammoudi 4 , Stefanie Rinderle-Ma 5 , Shazia Sadiq 6 and Karsten Schulz 7 Affiliations: 1 University of Fribourg, Switzerland , 2 Zayed University, United Arab Emirates , 3 University of Twente, Netherlands , 4 ESEO, MODESTE, France , 5 Ulm University, Germany , 6 The University of Queensland, Australia , 7 Sap, Australia ISBN: 978-989-8111-49-4