@inproceedings{lv-etal-2026-costeer, title = "{C}o{S}teer: Collaborative Decoding-Time Personalization via Local Delta Steering", author = "Lv, Hang and Liang, Sheng and Wang, Hao and Gu, Hongchao and Wu, Yaxiong and Guo, Wei and Lian, Defu and Liu, Yong and Chen, Enhong", 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.1834/", pages = "39156--39181", ISBN = "979-8-89176-462-0" }