Reports on the Twenty-First National Conference on Artificial Intelligence (AAAI-06) Workshop Program. - Wolfgang Achtner; Esma Aïmeur; Sarabjot Singh Anand; Douglas E. Appelt; Naveen Ashish; Tiffany Barnes; Joseph E. Beck; M. Bernardine Dias; Prashant Doshi; Chris Drummond; William Elazmeh; Ariel Felner; et al. (AI Mag., 2006)