@inproceedings{sun-etal-2026-personalization, title = "When Personalization Misleads: Understanding and Mitigating Hallucinations in Personalized {LLM}s", author = "Sun, Zhongxiang and Zhan, Yi and Shen, Chenglei and Yu, Weijie and Zhang, Xiao and He, Ming and Xu, Jun", editor = "Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {ACL} 2026", month = jul, year = "2026", address = "San Diego, California, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl/2026.findings-acl.395/", pages = "8041--8060", ISBN = "979-8-89176-395-1" }