@inproceedings{bao-etal-2026-loki, title = "{LOKI}: Locating Optimal Knock-In Points for Backdoor Attacks on Dense Retrievers", author = "Bao, Qiqi and Feng, Linzhi and Qian, Yaguan and Guo, Yanru and Wang, Bin and Gu, Zhaoquan and Ji, Shouling and Lei, Zhen", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.emnlp-main.1242/", pages = "28309--28325", ISBN = "979-8-89176-459-0" }