Proceedings / Seventeenth National Conference on Artificial Intelligence (AAAI-2000), Twelfth Innovative Applications of Artificial Intelligence Conference (IAAI-2000) : [July 30 - August 3, 2000, Austin, Texas, USA] - National Conference on Artificial Intelligence (17 : 2000 : Austin, Tex.); American Association for Artificial Intelligence; Innovative Applications of Artificial Intelligence Conference (12 : 2000 : Austin, Tex.) (AAAI Press, 2000)