Latent Retrieval for Weakly Supervised Open Domain Question Answering Kenton Lee author Ming-Wei Chang author Kristina Toutanova author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication lee-etal-2019-latent 10.18653/v1/P19-1612 https://aclanthology.org/P19-1612/ 2019-07 6086 6096