@article{progrankprobegradientrerankingtodefendde,
  title = {ProGRank: Probe-Gradient Reranking to Defend Dense-Retriever RAG from Corpus Poisoning},
  author = {Xiangyu Yin and Yi Qi and Chih-Hong Cheng},
  year = {2026},
  eprint = {2603.22934},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.22934},
}