PAN, Junjun; LIU, Yixin; ZHENG, Xin; ZHENG, Yizhen; LIEW, Alan Wee-Chung; LI, Fuyi; PAN, Shirui. A Label-free Heterophily-guided Approach for Unsupervised Graph Fraud Detection. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 39, n. 12, p. 12443–12451, 2025. DOI: 10.1609/aaai.v39i12.33356. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/33356. Acesso em: 10 may. 2026.