Dear smalltakers, We are now pleased to inform you that the IWST 2011 proceedings are currently on-line. here is the IWST link: http://dl.acm.org/citation.cfm?id=2166929&picked=prox&cfid=71182337&cftoken=... From this page, you will be able to acces all papers. Regards, Loïc Lagadec & Alain Plantec IWST 2011 co-chairs