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README.md

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-license: apache-2.0
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+---
+license: apache-2.0
+---
+This is a multi-class version of open vocabulary segmentation dataset by randomly merging annotations from several classes, including ADE20K(A-150), PASCAL Context59(PC-59), and PASCAL VOC20(PAS-20).
+You can use them according to [\[📂 GitHub\]](https://github.com/yayafengzi/ALToLLM).
+
+If you find this project useful in your research, please consider citing:
+
+```BibTeX
+@article{wang2025alto,
+  title={ALTo: Adaptive-Length Tokenizer for Autoregressive Mask Generation},
+  author={Wang, Lingfeng and Lin, Hualing and Chen, Senda and Wang, Tao and Cheng, Changxu and Zhong, Yangyang and Zheng, Dong and Zhao, Wuyue},
+  journal={arXiv preprint arXiv:2505.16495},
+  year={2025}
+}
+```