Overview of the Epigenetics and Post-translational Modifications (EPI) task of BioNLP Shared Task 2011 Tomoko Ohta author Sampo Pyysalo 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 ohta-etal-2011-overview https://aclanthology.org/W11-1803/ 2011-06 16 25