Probabilistic Assumptions Matter: Improved Models for Distantly-Supervised Document-Level Question Answering Hao Cheng author Ming-Wei Chang author Kenton Lee author Kristina Toutanova author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication cheng-etal-2020-probabilistic 10.18653/v1/2020.acl-main.501 https://aclanthology.org/2020.acl-main.501/ 2020-07 5657 5667