Overview of BioNLP 2011 Protein Coreference Shared Task Ngan Nguyen author Jin-Dong Kim author Jun’ichi Tsujii author 2011-06 text Proceedings of BioNLP Shared Task 2011 Workshop Jun’ichi Tsujii editor Jin-Dong Kim editor Sampo Pyysalo editor Association for Computational Linguistics Portland, Oregon, USA conference publication nguyen-etal-2011-overview https://aclanthology.org/W11-1811/ 2011-06 74 82