@inproceedings{riedel09markov,
    pages={41--49}, 
    month={June}, 
    year={2009}, 
    author={Sebastian Riedel and Hong-Woo Chun and Toshihisa Takagi and Jun'ichi Tsujii}, 
    bdsk-url-1={http://www.aclweb.org/anthology/W/W09/W09-1406.pdf}, 
    booktitle={Proceedings of the Natural Language Processing in Biomedicine NAACL 2009 Workshop (BioNLP)}, 
    title={A Markov Logic Approach to Bio-Molecular Event Extraction}, 
}