Multi-Task Deep Neural Networks for Natural Language Understanding Xiaodong Liu author Pengcheng He author Weizhu Chen author Jianfeng Gao 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 liu-etal-2019-multi 10.18653/v1/P19-1441 https://aclanthology.org/P19-1441/ 2019-07 4487 4496