@InProceedings{chou:2006:POS,
  author    = {Chou, Lin-Yi},
  title     = {Techniques to Incorporate the Benefits of a Hierarchy in a Modified Hidden Markov Model},
  booktitle = {Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions},
  month     = {July},
  year      = {2006},
  address   = {Sydney, Australia},
  publisher = {Association for Computational Linguistics},
  pages     = {120--127},
  url       = {http://www.aclweb.org/anthology/P/P06/P06-2016}
}