@inproceedings{balahur-2013-optwima,
    title = "{OPTWIMA}: Comparing Knowledge-rich and Knowledge-poor Approaches for Sentiment Analysis in Short Informal Texts",
    author = "Balahur, Alexandra",
    editor = "Manandhar, Suresh  and
      Yuret, Deniz",
    booktitle = "Second Joint Conference on Lexical and Computational Semantics (*{SEM}), Volume 2: Proceedings of the Seventh International Workshop on Semantic Evaluation ({S}em{E}val 2013)",
    month = jun,
    year = "2013",
    address = "Atlanta, Georgia, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/S13-2076/",
    pages = "460--465"
}