@inproceedings{doan-etal-2007-role, title = "The Role of Roles in Classifying Annotated Biomedical Text", author = "Doan, Son and Kawazoe, Ai and Collier, Nigel", editor = "Cohen, K. Bretonnel and Demner-Fushman, Dina and Friedman, Carol and Hirschman, Lynette and Pestian, John", booktitle = "Biological, translational, and clinical language processing", month = jun, year = "2007", address = "Prague, Czech Republic", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/W07-1003/", pages = "17--24" }