@InProceedings{zhao-liu-wang:2008:EMNLP,
  author    = {Zhao, Jun  and  Liu, Kang  and  Wang, Gen},
  title     = {Adding Redundant Features for {CRFs}-based Sentence Sentiment Classification},
  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     = {117--126},
  url       = {http://www.aclweb.org/anthology/D08-1013}
}