@inproceedings{li-etal-2025-dp, title = "{DP}-{GTR}: Differentially Private Prompt Protection via Group Text Rewriting", author = "Li, Mingchen and Fan, Heng and Fu, Song and Ding, Junhua and Feng, Yunhe", editor = "Christodoulopoulos, Christos and Chakraborty, Tanmoy and Rose, Carolyn and Peng, Violet", booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2025", month = nov, year = "2025", address = "Suzhou, China", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2025.findings-emnlp.83/", pages = "1573--1585", ISBN = "979-8-89176-335-7" }