@InProceedings{pr-r-niwa:2016:SemEval,
  author    = {P R, Sarath  and  R, Manikandan  and  Niwa, Yoshiki},
  title     = {Hitachi at SemEval-2016 Task 12: A Hybrid Approach for Temporal Information Extraction from Clinical Notes},
  booktitle = {Proceedings of the 10th International Workshop on Semantic Evaluation (SemEval-2016)},
  month     = {June},
  year      = {2016},
  address   = {San Diego, California},
  publisher = {Association for Computational Linguistics},
  pages     = {1231--1236},
  url       = {http://www.aclweb.org/anthology/S16-1191}
}