@inproceedings{dong-etal-2015-splusplus,
    title = "{S}plusplus: A Feature-Rich Two-stage Classifier for Sentiment Analysis of Tweets",
    author = "Dong, Li  and
      Wei, Furu  and
      Yin, Yichun  and
      Zhou, Ming  and
      Xu, Ke",
    editor = "Nakov, Preslav  and
      Zesch, Torsten  and
      Cer, Daniel  and
      Jurgens, David",
    booktitle = "Proceedings of the 9th International Workshop on Semantic Evaluation ({S}em{E}val 2015)",
    month = jun,
    year = "2015",
    address = "Denver, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/S15-2086/",
    doi = "10.18653/v1/S15-2086",
    pages = "515--519"
}