# Improving fraud detection via hierarchical attention-based Graph Neural Network

> Research article (Journal of Information Security and Applications, 2022) · cited 34× · AI/ML

**Wikidata**: [openalex:W4311711472](https://www.wikidata.org/wiki/openalex:W4311711472)  
**Source**: https://4ort.xyz/entity/improving-fraud-detection-via-hierarchical-attention-based-graph-neural-network