%0 Conference Proceedings %T A Discrete Hard EM Approach for Weakly Supervised Question Answering %A Min, Sewon %A Chen, Danqi %A Hajishirzi, Hannaneh %A Zettlemoyer, Luke %Y Inui, Kentaro %Y Jiang, Jing %Y Ng, Vincent %Y Wan, Xiaojun %S Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) %D 2019 %8 November %I Association for Computational Linguistics %C Hong Kong, China %F min-etal-2019-discrete %R 10.18653/v1/D19-1284 %U https://aclanthology.org/D19-1284/ %U https://doi.org/10.18653/v1/D19-1284 %P 2851-2864