@article{eoo2026efficient,
  author={Eoo, Hosun and Yoo, Yeonho and Yang, Gyeongsik},
  title={Efficient training-free query routing framework for federated retrieval-augmented generation},
  journal={Scientific Reports},
  year={2026},
  month={October},
  doi={10.1038/s41598-026-75918-x},
  url={https://doi.org/10.1038/s41598-026-75918-x},
  note={Article in Press; published online 13 October 2026}
}