PTP: Boosting Stability and Performance of Prompt Tuning with Perturbation-Based Regularizer Lichang Chen author Jiuhai Chen author Heng Huang author Minhao Cheng 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 chen-etal-2023-ptp 10.18653/v1/2023.emnlp-main.833 https://aclanthology.org/2023.emnlp-main.833/ 2023-12 13512 13525