@article{llmconfidencererankeratrainingfreeapproa,
  title = {LLM-Confidence Reranker: A Training-Free Approach for Enhancing Retrieval-Augmented Generation Systems},
  author = {Zhipeng Song and Xiangyu Kong and Xinrui Bao and Yizhi Zhou and Jiulong Jiao and Sitong Liu and Yuhang Zhou and Heng Qi},
  year = {2026},
  eprint = {2602.13571},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.13571},
}