Syntactic Dependency Based Heuristics for Biological Event Extraction Halil Kilicoglu author Sabine Bergler author 2009-06 text Proceedings of the BioNLP 2009 Workshop Companion Volume for Shared Task Jun’ichi Tsujii editor Association for Computational Linguistics Boulder, Colorado conference publication kilicoglu-bergler-2009-syntactic https://aclanthology.org/W09-1418/ 2009-06 119 127