@article{hmraghierarchicalmultiagentmultimodal,
  title = {HM-RAG: Hierarchical Multi-Agent Multimodal Retrieval Augmented Generation},
  author = {Pei Liu and Xin Liu and Ruoyu Yao and Junming Liu and Siyuan Meng and Ding Wang and Jun Ma},
  year = {2025},
  eprint = {2504.12330},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2504.12330v1},
}