PAC-tuning: Fine-tuning Pre-trained Language Models with PAC-driven Perturbed Gradient Descent Guangliang Liu author Zhiyu Xue author Xitong Zhang author Kristen Johnson author Rongrong Wang author 2023-12 text Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication liu-etal-2023-pac 10.18653/v1/2023.emnlp-main.748 https://aclanthology.org/2023.emnlp-main.748/ 2023-12 12178 12189