@InProceedings{gutierrez-EtAl:2013:SemEval-20132,
  author    = {Guti\'{e}rrez, Yoan  and  Gonz\'{a}lez, Andy  and  P\'{e}rez, Roger  and  Abreu, Jos\'{e} I.  and  Fern\'{a}ndez Orqu\'{i}n, Antonio  and  Mosquera, Alejandro  and  Montoyo, Andr\'{e}s  and  Mu\~{n}oz, Rafael  and  Camara, Franc},
  title     = {UMCC\_DLSI-(SA): Using a ranking algorithm and informal features to solve Sentiment Analysis in Twitter},
  booktitle = {Second Joint Conference on Lexical and Computational Semantics (*SEM), Volume 2: Proceedings of the Seventh International Workshop on Semantic Evaluation (SemEval 2013)},
  month     = {June},
  year      = {2013},
  address   = {Atlanta, Georgia, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {443--449},
  url       = {http://www.aclweb.org/anthology/S13-2073}
}