@inproceedings{liu2018heterogeneous,
  title={Heterogeneous graph neural networks for malicious account detection},
  author={Liu, Ziqi and Chen, Chaochao and Yang, Xinxing and Zhou, Jun and Li, Xiaolong and Song, Le},
  booktitle={Proceedings of the 27th ACM International Conference on Information and Knowledge Management},
  pages={2077--2085},
  year={2018}
}