@inproceedings{pollyo@sac2016,
  title={On the Combination of ``Off-The-Shelf'' Sentiment Analysis Methods},
  author={Pollyanna Gon\c{c}alves, Daniel Hasan Dalip, Helen Costa, Marcos Andr{\'e} Gon\c{c}alves and Fabr{\'i}cio Benevenuto},
  booktitle={Proceedings of the ACM Symposium on Applied Computing (SAC'16)},
  year={2016},
  organization={ACM}
}