ENTERprise Information Systems, Part I International Conference, CENTERIS 2010, Viana do Castelo, Portugal, October 20-22, 2010, Proceedings

to all who acceded to contribute to CENTERIS, some of them with high-quality manuscripts that unfortunately, due to several constraints could not see their work accepted for presentation and publication. Please enjoy your reading! October 2010 Joao Varajao Maria Manuela Cruz-Cunha Goran D. Putnik Antonio Trigo Organization CENTERIS 2010 was organized by the University of Tras-os-Montes e Alto Douro and the Polytechnic Institute of Cavado and Ave, Portugal. General Chairs Joao Eduardo Quintela Varajao University of Tras-os-Montes e Alto Douro, Portugal Maria Manuela Cruz Cunha Polytechnic Institute of Cavado and Ave, Portugal Program Chair Goran D. Putnik University of Minho, Portugal Organization Chair Antonio Trigo Polytechnic Institute of Coimbra, Portugal Organization Committee Antonio Cunha University of Tras-os-Montes e Alto Douro, Portugal Antonio Tavares Polytechnic Institute of Cavado and Ave, Portugal Antonio Trigo Polytechnic Institute of Coimbra, Portugal Jo o Varajao University of Tras-os-Montes e Alto Douro, Portugal Maria Manuela Cruz-Cunha Polytechnic Institute of Cavado and Ave, Portugal Miguel Alves Polytechnic Institute of Viana do Castelo, Portugal Ricardo Colomo Palacios University Carlos III of Madrid, Spain Ricardo Martinho Polytechnic Institute of Leiria, Portugal Rui Gomes Polytechnic Institute of Viana do Castelo, Portugal VIII Organization Scientific Committee Adamantios Koumpis ALTEC S."