# Champion-challenger analysis for credit card fraud detection: Hybrid ensemble and deep learning

> Research article (Expert Systems with Applications, 2019) · cited 145× · AI/ML

**Wikidata**: [openalex:W2930363294](https://www.wikidata.org/wiki/openalex:W2930363294)  
**Source**: https://4ort.xyz/entity/champion-challenger-analysis-for-credit-card-fraud-detection-hybrid-ensemble-and-deep-learning