Author

Roya Amiri

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Conference Open access Aug 2026

Multi-Edge Intra-Group Graph Construction For Credit Card Fraud Detection

As financial systems grow more complex and interconnected, traditional fraud detection methods struggle to keep pace with increasingly sophisticated attacks. Graph-based approaches have been explored with a focus on cross-user interactions. In this paper, we propose a graph-based approach that focuses on individual car...

Roya Amiri, Sardar F. Jaf · International Conference on... · 0 citations

Open access Sep 2026

Isolating Graph Topology from Model Architecture in GNN-Based Fraud Detection: An Empirical Framework

It is suggested that graph construction quality, rather than mere graph presence, matters more for GNN performance than connectivity alone under the conditions evaluated here.

Roya Amiri, Sardar F. Jaf · Big Data and Cognitive Compu... · 0 citations