@inproceedings{avila-mello-2013-challenges,
    title = "Challenges in modality annotation in a {B}razilian {P}ortuguese Spontaneous Speech Corpus",
    author = "Avila, Luciana Beatriz  and
      Mello, Heliana",
    editor = "Portner, Paul  and
      Rubinstein, Aynat  and
      Katz, Graham",
    booktitle = "Proceedings of the {IWCS} 2013 Workshop on Annotation of Modal Meanings in Natural Language ({WAMM})",
    month = mar,
    year = "2013",
    address = "Potsdam, Germany",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W13-0301",
    pages = "1--6",
}