@article{harnessingrlhfforrobustunanswerabilityre,
  title = {Harnessing RLHF for Robust Unanswerability Recognition and Trustworthy Response Generation in LLMs},
  author = {Shuyuan Lin and Lei Duan and Philip Hughes and Yuxuan Sheng},
  year = {2025},
  eprint = {2507.16951},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2507.16951},
}