@inproceedings{bai-etal-2026-candidate, title = "Candidate Pool Design for Safer Preference-Based Post-Training of {LLM} Companion Chatbots", author = "Bai, Yuzhe and Cheng, Jia and Liu, Yunzhe", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {EMNLP} 2026", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.findings-emnlp.476/", pages = "9987--10000", ISBN = "979-8-89176-462-0" }