Chen, Jundong, Honglei Zhang, Chunxu Zhang, Fangyuan Luo, and Yidong Li. 2026. “Breaking the Aggregation Bottleneck in Federated Recommendation: A Personalized Model Merging Approach”. Proceedings of the AAAI Conference on Artificial Intelligence 40 (17):14547-55. https://doi.org/10.1609/aaai.v40i17.38472.