Hierarchical Chinese Legal event extraction via Pedal Attention Mechanism Shirong Shen author Guilin Qi author Zhen Li author Sheng Bi author Lusheng Wang author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication shen-etal-2020-hierarchical 10.18653/v1/2020.coling-main.9 https://aclanthology.org/2020.coling-main.9/ 2020-12 100 113