@InProceedings{pyysalo-EtAl:2011:BioNLP,
  author    = {Pyysalo, Sampo  and  Ohta, Tomoko  and  Miwa, Makoto  and  Tsujii, Jun'ichi},
  title     = {Towards Exhaustive Event Extraction for Protein Modifications},
  booktitle = {Proceedings of BioNLP 2011 Workshop},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {114--123},
  url       = {http://www.aclweb.org/anthology/W11-0215}
}