@inproceedings{litman-forbesriley:2004:ACL,
  author    = {Litman, Diane J.  and  Forbes-Riley, Kate},
  title     = {Predicting Student Emotions in Computer-Human Tutoring Dialogues},
  booktitle = {Proceedings of the 42nd Meeting of the Association for Computational Linguistics (ACL'04), Main Volume},
  year      = 2004,
  month     = {July},
  address   = {Barcelona, Spain},
  pages     = {351--358},
  url       = {http://www.aclweb.org/anthology/P04-1045},
  doi       = {10.3115/1218955.1219000}
}