%0 Conference Proceedings %T Biomedical Event Extraction by Multi-class Classification of Pairs of Text Entities %A Liu, Xiao %A Bordes, Antoine %A Grandvalet, Yves %Y Nédellec, Claire %Y Bossy, Robert %Y Kim, Jin-Dong %Y Kim, Jung-jae %Y Ohta, Tomoko %Y Pyysalo, Sampo %Y Zweigenbaum, Pierre %S Proceedings of the BioNLP Shared Task 2013 Workshop %D 2013 %8 August %I Association for Computational Linguistics %C Sofia, Bulgaria %F liu-etal-2013-biomedical %U https://aclanthology.org/W13-2006 %P 45-49