Span Selection Pre-training for Question Answering Michael Glass author Alfio Gliozzo author Rishav Chakravarti author Anthony Ferritto author Lin Pan author G P Shrivatsa Bhargav author Dinesh Garg author Avi Sil 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 glass-etal-2020-span 10.18653/v1/2020.acl-main.247 https://aclanthology.org/2020.acl-main.247/ 2020-07 2773 2782