@article{hiqaahierarchicalcontextualaugmentation,
  title = {HiQA: A Hierarchical Contextual Augmentation RAG for Multi-Documents QA},
  author = {Xinyue Chen and Pengyu Gao and Jiangjiang Song and Xiaoyang Tan},
  year = {2024},
  eprint = {2402.01767},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2402.01767v2},
}