Discovering contradicting protein-protein interactions in text Olivia Sanchez author Massimo Poesio author 2007-06 text Biological, translational, and clinical language processing K Bretonnel Cohen editor Dina Demner-Fushman editor Carol Friedman editor Lynette Hirschman editor John Pestian editor Association for Computational Linguistics Prague, Czech Republic conference publication sanchez-poesio-2007-discovering https://aclanthology.org/W07-1029/ 2007-06 195 196