@InProceedings{boag-potash-rumshisky:2015:SemEval,
  author    = {Boag, William  and  Potash, Peter  and  Rumshisky, Anna},
  title     = {TwitterHawk: A Feature Bucket Based Approach to Sentiment Analysis},
  booktitle = {Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015)},
  month     = {June},
  year      = {2015},
  address   = {Denver, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {640--646},
  url       = {http://www.aclweb.org/anthology/S15-2107}
}