@inproceedings{ijcai2026p552,
  title     = {Beyond Client Clustering: Fine-Grained Preference Alignment in Federated RLHF via Self-Evolving Routing},
  author    = {Wang, Ke and Fu, Shaojing and Luo, Yuchuan and Deng, Guilin and Chen, Silong and Yuan, Zheng and Liu, Lin},
  booktitle = {Proceedings of the Thirty-Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-26}},
  publisher = {International Joint Conferences on Artificial Intelligence Organization},
  editor    = {Diego Calvanese},
  pages     = {4958--4966},
  year      = {2026},
  month     = {8},
  note      = {Main Track},
  doi       = {10.24963/ijcai.2026/552},
  url       = {https://doi.org/10.24963/ijcai.2026/552},
}