@inproceedings{litman-silliman:2004:HLTNAACL,
  author    = {Litman, Diane J.  and  Silliman, Scott},
  title     = {ITSPOKE: An Intelligent Tutoring Spoken Dialogue System},
  booktitle = {HLT-NAACL 2004: Demonstration Papers},
  editor = {Susan Dumais, Daniel Marcu and Salim Roukos},
  year      = 2004,
  month     = {May 2 - May 7},
  address   = {Boston, Massachusetts, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {5--8}
}