@InProceedings{bonev-ramirezsanchez-ortizrojas:2012:WASSA2012,
  author    = {Bonev, Boyan  and  Ram\'{i}rez S\'{a}nchez, Gema  and  Ortiz Rojas, Sergio},
  title     = {Opinum: statistical sentiment analysis for opinion classification},
  booktitle = {Proceedings of the 3rd Workshop in Computational Approaches to Subjectivity and Sentiment Analysis},
  month     = {July},
  year      = {2012},
  address   = {Jeju, Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {29--37},
  url       = {http://www.aclweb.org/anthology/W12-3706}
}