@InProceedings{chetviorkin-loukachevitch:2013:BSNLP,
  author    = {Chetviorkin, Ilia  and  Loukachevitch, Natalia},
  title     = {Evaluating Sentiment Analysis Systems in Russian},
  booktitle = {Proceedings of the 4th Biennial International Workshop on Balto-Slavic Natural Language Processing},
  month     = {August},
  year      = {2013},
  address   = {Sofia, Bulgaria},
  publisher = {Association for Computational Linguistics},
  pages     = {12--17},
  url       = {http://www.aclweb.org/anthology/W13-2403}
}