@InProceedings{cohen-smith:2009:NAACLHLT09,
  author    = {Cohen, Shay  and  Smith, Noah A.},
  title     = {Shared Logistic Normal Distributions for Soft Parameter Tying in Unsupervised Grammar Induction},
  booktitle = {Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics},
  month     = {June},
  year      = {2009},
  address   = {Boulder, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {74--82},
  url       = {http://www.aclweb.org/anthology/N/N09/N09-1009}
}