@InProceedings{nakov-EtAl:2013:SemEval-2013,
  author    = {Nakov, Preslav  and  Rosenthal, Sara  and  Kozareva, Zornitsa  and  Stoyanov, Veselin  and  Ritter, Alan  and  Wilson, Theresa},
  title     = {SemEval-2013 Task 2: 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     = {312--320},
  url       = {http://www.aclweb.org/anthology/S13-2052}
}