Cao, Q., Z. Zhu, Z. Lian, R. Zhang, B. Li, Y. Xiong, and X. Zhou. “PPFL: A Parameter Behavior-Driven Plug-in Personalization Engine for Federated Learning”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 40, no. 24, Mar. 2026, pp. 19898-06, doi:10.1609/aaai.v40i24.39073.