@InProceedings{wiegand-schulder-ruppenhofer:2015:WASSA,
  author    = {Wiegand, Michael  and  Schulder, Marc  and  Ruppenhofer, Josef},
  title     = {Opinion Holder and Target Extraction for Verb-based Opinion Predicates -- The Problem is Not Solved},
  booktitle = {Proceedings of the 6th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis},
  month     = {September},
  year      = {2015},
  address   = {Lisboa, Portugal},
  publisher = {Association for Computational Linguistics},
  pages     = {148--155},
  url       = {http://aclweb.org/anthology/W15-2921}
}