This two-volume set LNCS 4277 4278 constitutes the refereed proceedings of 14 international
workshops held as part of OTM 2006 in Montpellier France in October November 2006. The 191
revised full papers presented were carefully reviewed and selected from a total of 493
submissions to the workshops. The first volume begins with 26 additional revised short or
poster papers of the OTM 2006 main conferences.
