Infusing Hierarchical Guidance into Prompt Tuning: A Parameter-Efficient Framework for Multi-level Implicit Discourse Relation Recognition Haodong Zhao author Ruifang He author Mengnan Xiao author Jing Xu 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 zhao-etal-2023-infusing 10.18653/v1/2023.acl-long.357 https://aclanthology.org/2023.acl-long.357/ 2023-07 6477 6492