@article{indexragbridgingfactsforcrossdocumentrea,
  title = {IndexRAG: Bridging Facts for Cross-Document Reasoning at Index Time},
  author = {Zhenghua Bao and Yi Shi},
  year = {2026},
  eprint = {2603.16415},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.16415},
}