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README.md

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-license: apache-2.0
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+---
+license: apache-2.0
+---
+
+If you find our work useful or helpful for your R&D works, please feel free to cite our paper as below.
+```bibtex
+@misc{tao2025codegraphmodelcgm,
+      title={Code Graph Model (CGM): A Graph-Integrated Large Language Model for Repository-Level Software Engineering Tasks}, 
+      author={Hongyuan Tao and Ying Zhang and Zhenhao Tang and Hongen Peng and Xukun Zhu and Bingchang Liu and Yingguang Yang and Ziyin Zhang and Zhaogui Xu and Haipeng Zhang and Linchao Zhu and Rui Wang and Hang Yu and Jianguo Li and Peng Di},
+      year={2025},
+      eprint={2505.16901},
+      archivePrefix={arXiv},
+      primaryClass={cs.SE},
+      url={https://arxiv.org/abs/2505.16901}, 
+}
+```