@inproceedings{xia-etal-2013-dual,
    title = "Dual Training and Dual Prediction for Polarity Classification",
    author = "Xia, Rui  and
      Wang, Tao  and
      Hu, Xuelei  and
      Li, Shoushan  and
      Zong, Chengqing",
    editor = "Schuetze, Hinrich  and
      Fung, Pascale  and
      Poesio, Massimo",
    booktitle = "Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)",
    month = aug,
    year = "2013",
    address = "Sofia, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P13-2093/",
    pages = "521--525"
}