Adaptation and Value Creating Collaborative Networks : 12th IFIP WG 5.5 Working Conference on Virtual Enterprises, PRO-VE 2011, Sao Paulo, Brazil, October 17-19, 2011, Proceedings - Luis M. Camarinha-Matos, Alexandra Pereira-Klen, Hamideh Afsarmanesh ((IFIP Advances in Information and Communication Technology))