Antoine Raux will lead the discussion on three related papers

   Matthias Denecke, Kohji Dohsaka, and Mikio Nakano, "Learning Dialogue
   Policies using State Aggregation in Reinforcement Learning", ICSLP 2004.

   Ryuichi Nishimura, Akinobu Lee, Hiroshi Saruwatari, and Kiyohiro Shikano,
   "Public Speech-Oriented Guidance System with Adult and Child
   Discrimination Capability", ICASSP 2004.

   Kazunori Komatani, Shinichi Ueno, Tatsuya Kawahara, and Hiroshi G. Okuno,
   "User Modeling in Spoken Dialogue Systems for Flexible Guidance
   Generation",  Eurospeech 2003.

These papers are available from within CMU at
   http://fife.speech.cs.cmu.edu/inner/conferences