This book constitutes the refereed post-conference proceedings of the 15th International
Workshop on Groupware: Design Implementation and Use held in Peso da Régua Douro Portugal
during September 13-17 2009. The 30 papers presented were carefully reviewed and selected from
numerous submission. The topics covered are mobile collaboration social aspects of
collaboration technology for CSCW groupware evaluation CSCW design geo collaboration
collaborative learning and modeling CSCW.
