# Finding a needle in a haystack: A machine learning framework for anomaly detection in payment systems

> Research article (The Journal of Finance and Data Science, 2025) · cited 13× · AI/ML

**Wikidata**: [openalex:W4409149437](https://www.wikidata.org/wiki/openalex:W4409149437)  
**Source**: https://4ort.xyz/entity/finding-a-needle-in-a-haystack-a-machine-learning-framework-for-anomaly-detection-in-payment-systems