@InProceedings{pham-le-ho:2013:BioNLPST,
  author    = {Pham, Xuan Quang  and  Le, Minh Quang  and  Ho, Bao Quoc},
  title     = {A Hybrid approach for biomedical event extraction},
  booktitle = {Proceedings of the BioNLP Shared Task 2013 Workshop},
  month     = {August},
  year      = {2013},
  address   = {Sofia, Bulgaria},
  publisher = {Association for Computational Linguistics},
  pages     = {121--124},
  url       = {http://www.aclweb.org/anthology/W13-2017}
}