Update README.md

README.md

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 ## Dataset Description
 
-- **Homepage:** 
+- **Homepage:** https://huggingface.co/datasets/ZJUNLP/KGEditor
 - **Repository:** 
-- **Paper:** 
-- **Leaderboard:** 
+- **Paper:** [https://arxiv.org/abs/2301.10405](https://arxiv.org/abs/2301.10405)
+- **Leaderboard:** [https://zjunlp.github.io/project/KGE_Editing/](https://zjunlp.github.io/project/KGE_Editing/)
 - **Point of Contact:** 
 
 ### Supported Tasks and Leaderboards