@proceedings{ws-2013-bionlp, title = "Proceedings of the {B}io{NLP} Shared Task 2013 Workshop", editor = "N{\'e}dellec, Claire and Bossy, Robert and Kim, Jin-Dong and Kim, Jung-jae and Ohta, Tomoko and Pyysalo, Sampo and Zweigenbaum, Pierre", month = aug, year = "2013", address = "Sofia, Bulgaria", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/W13-2000/" }