@InProceedings{riedel-EtAl:2009:BioNLP-ST,
  author    = {Riedel, Sebastian  and  Chun, Hong-Woo  and  Takagi, Toshihisa  and  Tsujii, Jun'ichi},
  title     = {A Markov Logic Approach to Bio-Molecular Event Extraction},
  booktitle = {Proceedings of the BioNLP 2009 Workshop Companion Volume for Shared Task},
  month     = {June},
  year      = {2009},
  address   = {Boulder, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {41--49},
  url       = {http://www.aclweb.org/anthology/W09-1406}
}