Overview of the MEDIQA 2019 Shared Task on Textual Inference, Question Entailment and Question Answering Asma Ben Abacha author Chaitanya Shivade author Dina Demner-Fushman author 2019-08 text Proceedings of the 18th BioNLP Workshop and Shared Task Dina Demner-Fushman editor Kevin Bretonnel Cohen editor Sophia Ananiadou editor Junichi Tsujii editor Association for Computational Linguistics Florence, Italy conference publication ben-abacha-etal-2019-overview 10.18653/v1/W19-5039 https://aclanthology.org/W19-5039/ 2019-08 370 379