@article{cregcompassrelationalevidencegraphforcha,
  title = {CREG: Compass Relational Evidence Graph for Characterizing Directional Structure in VLM Spatial-Reasoning Attribution},
  author = {Kaizhen Tan and Yang Feng and Heqing Du},
  year = {2026},
  eprint = {2603.20475},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.20475},
}