Learning to Contextually Aggregate Multi-Source Supervision for Sequence Labeling Ouyu Lan author Xiao Huang author Bill Yuchen Lin author He Jiang author Liyuan Liu author Xiang Ren 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 lan-etal-2020-learning 10.18653/v1/2020.acl-main.193 https://aclanthology.org/2020.acl-main.193/ 2020-07 2134 2146