@inproceedings{zhao-etal-2014-ecnu,
    title = "{ECNU}: Expression- and Message-level Sentiment Orientation Classification in {T}witter Using Multiple Effective Features",
    author = "Zhao, Jiang  and
      Lan, Man  and
      Zhu, Tiantian",
    editor = "Nakov, Preslav  and
      Zesch, Torsten",
    booktitle = "Proceedings of the 8th International Workshop on Semantic Evaluation ({S}em{E}val 2014)",
    month = aug,
    year = "2014",
    address = "Dublin, Ireland",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/S14-2042/",
    doi = "10.3115/v1/S14-2042",
    pages = "259--264"
}