@article{pugnnchargebackfrauddetectioninp2e,
  title = {PU GNN: Chargeback Fraud Detection in P2E MMORPGs via Graph Attention Networks with Imbalanced PU Labels},
  author = {Jiho Choi and Junghoon Park and Woocheol Kim and Jin-Hyeok Park and Yumin Suh and Minchang Sung},
  year = {2022},
  eprint = {2211.08604},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2211.08604v7},
}