KAQG: A Knowledge-Graph-Enhanced RAG for Difficulty-Controlled Question Generation

@misc{chen2025kaqgknowledgegraphenhancedrag,
      title={KAQG: A Knowledge-Graph-Enhanced RAG for Difficulty-Controlled Question  Generation},
      author={Ching Han Chen and Ming Fang Shiu},
      year={2025},
      eprint={2505.07618},
      archivePrefix={arXiv},
      primaryClass={cs.IR},
      url={https://arxiv.org/abs/2505.07618},
}