CITADEL: Conditional Token Interaction via Dynamic Lexical Routing for Efficient and Effective Multi-Vector Retrieval Minghan Li author Sheng-Chieh Lin author Barlas Oguz author Asish Ghoshal author Jimmy Lin author Yashar Mehdad author Wen-tau Yih author Xilun Chen author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication li-etal-2023-citadel 10.18653/v1/2023.acl-long.663 https://aclanthology.org/2023.acl-long.663/ 2023-07 11891 11907