@inproceedings{sarafraz-etal-2009-biomedical, title = "Biomedical Event Detection using Rules, Conditional Random Fields and Parse Tree Distances", author = "Sarafraz, Farzaneh and Eales, James and Mohammadi, Reza and Dickerson, Jonathan and Robertson, David and Nenadic, Goran", editor = "Tsujii, Jun{'}ichi", booktitle = "Proceedings of the {B}io{NLP} 2009 Workshop Companion Volume for Shared Task", month = jun, year = "2009", address = "Boulder, Colorado", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W09-1417/", pages = "115--118" }