# Credit card fraud detection using a hierarchical behavior-knowledge space model

> Research article (PLoS ONE, 2022) · cited 30× · AI/ML

**Wikidata**: [openalex:W4206686700](https://www.wikidata.org/wiki/openalex:W4206686700)  
**Source**: https://4ort.xyz/entity/credit-card-fraud-detection-using-a-hierarchical-behavior-knowledge-space-model