@InProceedings{avila-mello:2013:IWCS2013:WAMM,
  author    = {Avila, Luciana Beatriz  and  Mello, Heliana},
  title     = {Challenges in modality annotation in a Brazilian Portuguese Spontaneous Speech Corpus},
  booktitle = {Proceedings of IWCS 2013 Workshop on Annotation of Modal Meanings in Natural Language (WAMM)},
  month     = {March},
  year      = {2013},
  address   = {Potsdam, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {1--6},
  url       = {http://www.aclweb.org/anthology/W13-0301}
}