@InProceedings{hailu-hunter-cohen:2013:SemEval-2013,
  author    = {Hailu, Negacy  and  Hunter, Lawrence E.  and  Cohen, K. Bretonnel},
  title     = {UColorado\_SOM: Extraction of Drug-Drug Interactions from Biomedical Text using Knowledge-rich and Knowledge-poor Features},
  booktitle = {Second Joint Conference on Lexical and Computational Semantics (*SEM), Volume 2: Proceedings of the Seventh International Workshop on Semantic Evaluation (SemEval 2013)},
  month     = {June},
  year      = {2013},
  address   = {Atlanta, Georgia, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {684--688},
  url       = {http://www.aclweb.org/anthology/S13-2112}
}