Yang, Yiyuan, Guodong Long, Qinghua Lu, Liming Zhu, and Jing Jiang. 2026. “Bi-Level Personalization for Federated Foundation Models: A Task-Vector Aggregation Approach”. Proceedings of the AAAI Conference on Artificial Intelligence 40 (33):27702-10. https://doi.org/10.1609/aaai.v40i33.39991.