Computer-Aided Design of User Interfaces IV Proceedings of the Fifth International Conference on Computer-Aided Design of User Interfaces CADUI’2004 Sponsored by ACM and jointly organised with the Eight ACM International Conference on Intelligent User Interfaces IUI’2004 13–16 January 2004, Funchal, Isle of Madeira - Jacob, Robert J.K; Limbourg, Quentin; Vanderdonckt, Jean (Springer Netherlands, 2005)