@article{ehragbridgingsemanticgapsinlightweightgr,
  title = {EHRAG: Bridging Semantic Gaps in Lightweight GraphRAG via Hybrid Hypergraph Construction and Retrieval},
  author = {Yifan Song and Xingjian Tao and Zhicheng Yang and Yihong Luo and Jing Tang},
  year = {2026},
  eprint = {2604.17458},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.17458},
}