@InProceedings{yang-cardie:2012:EMNLP-CoNLL,
  author    = {Yang, Bishan  and  Cardie, Claire},
  title     = {Extracting Opinion Expressions with semi-Markov Conditional Random Fields},
  booktitle = {Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning},
  month     = {July},
  year      = {2012},
  address   = {Jeju Island, Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {1335--1345},
  url       = {http://www.aclweb.org/anthology/D12-1122}
}