@article{buildingasentimentcorpusoftweetsin1,
  title = {Building a Sentiment Corpus of Tweets in Brazilian Portuguese},
  author = {Henrico Bertini Brum and Maria das Graças Volpe Nunes},
  year = {2017},
  eprint = {1712.08917},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1712.08917v1},
}