Update README.md

README.md

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-Datasets for KDD24 Paper "PolygonGNN: Representation Learning for Polygonal Geometries with Heterogeneous Visibility Graph"
+# Datasets for KDD24 Paper "PolygonGNN: Representation Learning for Polygonal Geometries with Heterogeneous Visibility Graph"
 
-[paper](https://huggingface.co/papers/2407.00742)
+## 📜 Paper
+🔗 [**Read the Paper on Huggingface**](https://huggingface.co/papers/2407.00742)
+[ (DOI:10.1145/3637528.3671738)](https://dl.acm.org/doi/10.1145/3637528.3671738)
+🔗 [Github](https://github.com/dyu62/PolyGNN)
 
-[Github](https://github.com/dyu62/PolyGNN)
+For **3D polyhedron encoding**, please refer to the ICLR 2025 work:  
+🔗 [**Repository**](https://github.com/dyu62/3D_polyhedron)
+🔗 [**Read the Paper**](https://openreview.net/pdf?id=BpyHIrpUOL)
+
+```
+@inproceedings{yu2024polygongnn,
+  title={PolygonGNN: Representation learning for polygonal geometries with heterogeneous visibility graph},
+  author={Yu, Dazhou and Hu, Yuntong and Li, Yun and Zhao, Liang},
+  booktitle={Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining},
+  pages={4012--4022},
+  year={2024}
+}
+```