UNIFIEDQA: Crossing Format Boundaries with a Single QA System Daniel Khashabi author Sewon Min author Tushar Khot author Ashish Sabharwal author Oyvind Tafjord author Peter Clark author Hannaneh Hajishirzi author 2020-11 text Findings of the Association for Computational Linguistics: EMNLP 2020 Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication khashabi-etal-2020-unifiedqa 10.18653/v1/2020.findings-emnlp.171 https://aclanthology.org/2020.findings-emnlp.171/ 2020-11 1896 1907