Multi-passage BERT: A Globally Normalized BERT Model for Open-domain Question Answering Zhiguo Wang author Patrick Ng author Xiaofei Ma author Ramesh Nallapati author Bing Xiang author 2019-11 text Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) Kentaro Inui editor Jing Jiang editor Vincent Ng editor Xiaojun Wan editor Association for Computational Linguistics Hong Kong, China conference publication wang-etal-2019-multi 10.18653/v1/D19-1599 https://aclanthology.org/D19-1599/ 2019-11 5878 5882