@InProceedings{haffari-sarkar:2008:PAPERS,
  author    = {Haffari, Gholamreza  and  Sarkar, Anoop},
  title     = {Homotopy-Based Semi-Supervised Hidden Markov Models for Sequence Labeling},
  booktitle = {Proceedings of the 22nd International Conference on Computational Linguistics (Coling 2008)},
  month     = {August},
  year      = {2008},
  address   = {Manchester, UK},
  publisher = {Coling 2008 Organizing Committee},
  pages     = {305--312},
  url       = {http://www.aclweb.org/anthology/C08-1039}
}