Peixin Huang, Xiang Zhao 0002, Ryuichi Takanobu, Zhen Tan, Weidong Xiao. Joint Event Extraction with Hierarchical Policy Network. In Donia Scott, Núria Bel, Chengqing Zong, editors, Proceedings of the 28th International Conference on Computational Linguistics, COLING 2020, Barcelona, Spain (Online), December 8-13, 2020. pages 2653-2664, International Committee on Computational Linguistics, 2020. [doi]
Abstract is missing.