Update README.md

README.md

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-license: apache-2.0
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+---
+license: apache-2.0
+---
+
+Python & Java AST (Abstract Syntax Tree) and DFG (Data Flow Graph) data used in the paper [GALLa: Graph Aligned Large Language Models for Improved Source Code Understanding](https://arxiv.org/abs/2409.04183), along with node type embeddings (`node_type_embedding.pth`) and code to generate stage 2 instruction data (`instruction-text.ipynb`). Please refer to the paper and [Github repo](https://github.com/codefuse-ai/GALLa) for further details.
+
+If you use this dataset, please cite the following paper:
+
+```
+@misc{zhang2024gallagraphalignedlarge,
+      title={GALLa: Graph Aligned Large Language Models for Improved Source Code Understanding}, 
+      author={Ziyin Zhang and Hang Yu and Shijie Li and Peng Di and Jianguo Li and Rui Wang},
+      year={2024},
+      eprint={2409.04183},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2409.04183}, 
+}
+```