Wen, Siyuan, Meng Zhang, Yang Yang, and Ningning Ding. 2026. “FedShard: Federated Unlearning With Efficiency Fairness and Performance Fairness”. Proceedings of the AAAI Conference on Artificial Intelligence 40 (32):26841-48. https://doi.org/10.1609/aaai.v40i32.39895.