BibTeX

@InProceedings{Ruppenhofer2014,
  author = {Josef Ruppenhofer and Roman Klinger and Julia Maria Struß and Jonathan
	Sonntag and Michael Wiegand},
  title = {IGGSA Shared Tasks on German Sentiment Analysis},
  booktitle = {Workshop Proceedings of the 12th Edition of the KONVENS Conference},
  year = {2014},
  editor = {Gertrud Faaß and Josef Ruppenhofer},
  address = {Hildesheim, Germany},
  month = {October},
  publisher = {University of Hildesheim},
  url = {http://opus.bsz-bw.de/ubhi/volltexte/2014/319/pdf/04_01.pdf}
}