@article{chexpov2preferenceoptimizationforchestxr,
  title = {CheXPO-v2: Preference Optimization for Chest X-ray VLMs with Knowledge Graph Consistency},
  author = {Xiao Liang and Yuxuan An and Di Wang and Jiawei Hu and Zhicheng Jiao and Bin Jing and Quan Wang},
  year = {2025},
  eprint = {2512.17213},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2512.17213},
}