@inproceedings{johansson-moschitti-2011-extracting,
    title = "Extracting Opinion Expressions and Their Polarities {--} Exploration of Pipelines and Joint Models",
    author = "Johansson, Richard  and
      Moschitti, Alessandro",
    editor = "Lin, Dekang  and
      Matsumoto, Yuji  and
      Mihalcea, Rada",
    booktitle = "Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies",
    month = jun,
    year = "2011",
    address = "Portland, Oregon, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/P11-2018/",
    pages = "101--106"
}