docs: add dataset metadata

README.md

@@ -0,0 +1,36 @@
+---
+size_categories:
+- 1K<n<10K
+task_categories:
+- graph-ml
+tags:
+- art
+license: cc
+---
+
+## Dataset Information
+
+| # Nodes | # Edges | # Features |
+|:-------:|:-------:|:----------:|
+|  7,600  |  33,544 |     931    |
+
+## Citations
+
+```
+@article{ju2023multi,
+  title={Multi-task Self-supervised Graph Neural Networks Enable Stronger Task Generalization},
+  author={Ju, Mingxuan and Zhao, Tong and Wen, Qianlong and Yu, Wenhao and Shah, Neil and Ye, Yanfang and Zhang, Chuxu},
+  booktitle={International Conference on Learning Representations},
+  year={2023}
+}
+```
+
+```
+@inproceedings{Tang2009SocialIA,
+  title={Social influence analysis in large-scale networks},
+  author={Jie Tang and Jimeng Sun and Chi Wang and Zi Yang},
+  booktitle={Knowledge Discovery and Data Mining},
+  year={2009},
+  url={https://api.semanticscholar.org/CorpusID:4931148}
+}
+```