@InProceedings{amir-EtAl:2015:SemEval,
  author    = {Amir, Silvio  and  Astudillo, Ram\'{o}n  and  Ling, Wang  and  Martins, Bruno  and  Silva, Mario J.  and  Trancoso, Isabel},
  title     = {INESC-ID: A Regression Model for Large Scale Twitter Sentiment Lexicon Induction},
  booktitle = {Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015)},
  month     = {June},
  year      = {2015},
  address   = {Denver, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {613--618},
  url       = {http://www.aclweb.org/anthology/S15-2102}
}