# Graph-Based Fraud Detection in Open-Loop Gift Cards: Heterogeneous GNNs, Streaming Feature Stores, and Near-Zero-Lag Anomaly Alerts

> Research article (International Journal of Scientific Research in Science Engineering and Technology, 2021) · cited 60× · AI/ML

**Wikidata**: [openalex:W4415393589](https://www.wikidata.org/wiki/openalex:W4415393589)  
**Source**: https://4ort.xyz/entity/graph-based-fraud-detection-in-open-loop-gift-cards-heterogeneous-gnns-streaming-feature-stores-and-near-zero-lag-anomal