@article{ensiragentitystructureindexedretrievalau,
  title = {EnSI-RAG: Entity-Structure-Indexed Retrieval-Augmented Generation for Long-Document Question Answering},
  author = {Xuanyu Meng and Jiashuo Sun and Jash Rajesh Parekh and Jiawei Han},
  year = {2026},
  eprint = {2608.21252},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.21252},
}