@InProceedings{ward-richartruiz:2013:SIGDIAL,
  author    = {Ward, Nigel  and  Richart-Ruiz, Karen},
  title     = {Patterns of Importance Variation in Spoken Dialog},
  booktitle = {Proceedings of the SIGDIAL 2013 Conference},
  month     = {August},
  year      = {2013},
  address   = {Metz, France},
  publisher = {Association for Computational Linguistics},
  pages     = {107--111},
  url       = {http://www.aclweb.org/anthology/W13-4015}
}