UPPAM: A Unified Pre-training Architecture for Political Actor Modeling based on Language Xinyi Mou author Zhongyu Wei author Qi Zhang author Xuanjing Huang author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication mou-etal-2023-uppam 10.18653/v1/2023.acl-long.670 https://aclanthology.org/2023.acl-long.670/ 2023-07 11996 12012