Zhang, Yingyi, Pengyue Jia, Derong Xu, Yi Wen, Xianneng Li, Yichao Wang, Wenlin Zhang, et al. 2026. “Personalize Before Retrieve: LLM-Based Personalized Query Expansion for User-Centric Retrieval”. Proceedings of the AAAI Conference on Artificial Intelligence 40 (19):16406-14. https://doi.org/10.1609/aaai.v40i19.38679.