@inproceedings{zhao-etal-2008-adding,
    title = "Adding Redundant Features for {CRF}s-based Sentence Sentiment Classification",
    author = "Zhao, Jun  and
      Liu, Kang  and
      Wang, Gen",
    editor = "Lapata, Mirella  and
      Ng, Hwee Tou",
    booktitle = "Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2008",
    address = "Honolulu, Hawaii",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/landing_page/D08-1013/",
    pages = "117--126"
}