@InProceedings{perera-EtAl:2015:*SEM2015,
  author    = {Perera, Sujan  and  Mendes, Pablo  and  Sheth, Amit  and  Thirunarayan, Krishnaprasad  and  Alex, Adarsh  and  Heid, Christopher  and  Mott, Greg},
  title     = {Implicit Entity Recognition in Clinical Documents},
  booktitle = {Proceedings of the Fourth Joint Conference on Lexical and Computational Semantics},
  month     = {June},
  year      = {2015},
  address   = {Denver, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {228--238},
  url       = {http://www.aclweb.org/anthology/S15-1028}
}