KnowGuard: Knowledge-Driven Abstention for Multi-Round Clinical Reasoning

ICLR 2026

Xilin Dang*¹, Kexin Chen*^1,2, Xiaorui Su², Ayush Noori², Iñaki Arango², Lucas Vittor², Xinyi Long¹, Yuyang Du¹, Marinka Zitnik^✉2, Pheng-Ann Heng¹

¹The Chinese University of Hong Kong ²Harvard Medical School
^* Equal Contribution ^✉ Corresponding Author

Citation

If you find our work useful in your research, please consider citing:

@misc{dang2025knowguardknowledgedrivenabstentionmultiround,
title={KnowGuard: Knowledge-Driven Abstention for Multi-Round Clinical Reasoning}, author={Xilin Dang and Kexin Chen and Xiaorui Su and Ayush Noori and Iñaki Arango and Lucas Vittor and Xinyi Long and Yuyang Du and Marinka Zitnik and Pheng Ann Heng},
year={2025},
eprint={2509.24816},
archivePrefix={arXiv},
primaryClass={cs.CL},
url={https://arxiv.org/abs/2509.24816}, }

Acknowledgements

We thank for their open-source implementations: MediQ.