@InProceedings{sidorenko-EtAl:2013:WASSA,
  author    = {Sidorenko, Wladimir  and  Sonntag, Jonathan  and  Kr\"{u}ger, Nina  and  Stieglitz, Stefan  and  Stede, Manfred},
  title     = {From newspaper to microblogging: What does it take to find opinions?},
  booktitle = {Proceedings of the 4th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis},
  month     = {June},
  year      = {2013},
  address   = {Atlanta, Georgia},
  publisher = {Association for Computational Linguistics},
  pages     = {81--86},
  url       = {http://www.aclweb.org/anthology/W13-1611}
}