This book constitutes the thoroughly refereed post-proceedings of the Second International Conference on Cooperative Multimodal Communication, CMC'98, held in Tilburg, The Netherlands, in January 1998.The 13 revised full papers presented together with an introductory survey by the volume editors have passed through two rounds of reviewing, selection, and revision. The book offers topical sections on multimodal generation, multimodal cooperation, multimodal interpretation, and multimedia platforms and test environments.