---
license: apache-2.0
---
This is the Hugging Face repo that holds the open-source resources reproduced version of START-RL-7B, following the method proposed in START: Spatial and Textual Learning for Chart Understanding.

Project page: https://github.com/dragonlzm/START

Please kindly cite our paper if you find this project helpful.

```bibtex
@article{liu2025start,
  title={START: Spatial and Textual Learning for Chart Understanding},
  author={Liu, Zhuoming and Gao, Xiaofeng and Niu, Feiyang and Gao, Qiaozi and Liu, Liu and Piramuthu, Robinson},
  journal={arXiv preprint arXiv:2512.07186},
  year={2025}
}
```