12Th Ifac Symposium on Information Control Problems in Manufacturing, Incom 2006, and Associated Industrial Meetings: Emm'2006, Bpm'2006, Jt'2006, Date: 17 May 2006 through 19 May 2006, Location: Saint - Etienne, Sponsors: IFAC Technical Committee 5.1 on Manufacturing Plant Control;TC 1.3 on Discrete Event Dynamic Systems;TC 2.4 on Optimal Control;TC 3.3 on Computers and Telematics;TC 4.1 on Components and Instruments