@InProceedings{novielli-strapparava:2009:SRWS,
  author    = {Novielli, Nicole  and  Strapparava, Carlo},
  title     = {Towards Unsupervised Recognition of Dialogue Acts},
  booktitle = {Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics, Companion Volume: Student Research Workshop and Doctoral Consortium},
  month     = {June},
  year      = {2009},
  address   = {Boulder, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {84--89},
  url       = {http://www.aclweb.org/anthology/N/N09/N09-3015}
}