@article{mg2ragmultigranularitygraphformultimodal,
  title = {MG$^2$-RAG: Multi-Granularity Graph for Multimodal Retrieval-Augmented Generation},
  author = {Sijun Dai and Qiang Huang and Xiaoxing You and Jun Yu},
  year = {2026},
  eprint = {2604.04969},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.04969},
}