The Twenty-Third AAAI Conference on Artificial Intelligence was held at the Hyatt Regency McCormick Place in Chicago, Illinois, July 13–17, 2008. The purpose of the AAAI-08 conference is to promote research in AI and scientific exchange among AI researchers, practitioners, scientists, and engineers in related disciplines. Exciting Slate of Invited Speakers Chosen AAAI-08 / IAAI-08 features an exci