- Article
Objective over Architecture: Fraud Detection Under Extreme Imbalance in Bank Account Opening
- Wenxi Sun,
- Qiannan Shen,
- Yijun Gao,
- Qinkai Mao,
- Tongsong Qi and
- Shuo Xu
Fraud in financial services—especially account opening fraud—poses major operational and reputational risks. Static rules struggle to adapt to evolving tactics, missing novel patterns and generating excessive false positives. Machine lear...

