@InProceedings{gao-johnson:2008:EMNLP,
  author    = {Gao, Jianfeng  and  Johnson, Mark},
  title     = {A comparison of {B}ayesian estimators for unsupervised {H}idden {M}arkov {M}odel {POS} taggers},
  booktitle = {Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing},
  month     = {October},
  year      = {2008},
  address   = {Honolulu, Hawaii},
  publisher = {Association for Computational Linguistics},
  pages     = {344--352},
  url       = {http://www.aclweb.org/anthology/D08-1036}
}