@article{gatcobocostsensitivegraphneuralnetwork,
  title = {GAT-COBO: Cost-Sensitive Graph Neural Network for Telecom Fraud Detection},
  author = {Xinxin Hu and Haotian Chen and Junjie Zhang and Hongchang Chen and Shuxin Liu and Xing Li and Yahui Wang and xiangyang xue},
  year = {2023},
  eprint = {2303.17334},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2303.17334v1},
}