@InProceedings{forbesriley-EtAl:2012:NAACL-HLT,
  author    = {Forbes-Riley, Kate  and  Litman, Diane  and  Friedberg, Heather  and  Drummond, Joanna},
  title     = {Intrinsic and Extrinsic Evaluation of an Automatic User Disengagement Detector for an Uncertainty-Adaptive Spoken Dialogue System},
  booktitle = {Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies},
  month     = {June},
  year      = {2012},
  address   = {Montr\'{e}al, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {91--102},
  url       = {http://www.aclweb.org/anthology/N12-1010}
}