European Journal of Computer Science and Information Technology (EJCSIT)

graph neural networks

Real-Time Fraud in Real-Time Rails: AI-Driven Detection Frameworks for Protecting Small Business Payments (Published)

The rapid proliferation of Real-Time Payment (RTP) rails — including The Clearing House’s RTP® network and the Federal Reserve’s FedNow® Service — has fundamentally transformed the payments landscape for small and medium-sized businesses (SMBs), enabling instant, irrevocable fund transfers 24/7/365. However, this same immediacy eliminates the settlement windows upon which traditional batch-based fraud detection systems rely, creating a critical security gap. In 2024, RTP processed 343 million transactions valued at $246 billion, a 94% year-over-year increase, while fraud losses on instant rails are projected to exceed $12 billion by 2025. SMBs are disproportionately vulnerable, with Business Email Compromise (BEC) alone accounting for 38% of RTP-based fraud targeting small businesses. This study proposes, evaluates, and validates an AI-Driven Fraud Detection Framework (AI-RTPF) tailored specifically to SMB transaction patterns on real-time rails. Leveraging a hybrid architecture combining Long Short-Term Memory (LSTM) networks, Graph Neural Networks (GNNs), and Isolation Forest anomaly detection — scored and decisioned in under 50 milliseconds — the proposed framework achieves 95.5% recall, 96.0% precision, and an AUC-ROC of 0.978, outperforming all baseline models while reducing false positive rates to 4.2%, down from 18.2% in conventional rule-based systems. Findings demonstrate that ISO 20022 rich data enrichment and behavioral baseline modeling are critical enablers of pre-authorization fraud interception in SMB payment contexts. Implications for banking technology design, regulatory compliance, and SMB financial inclusion are discussed.

Keywords: Artificial Intelligence, FedNow, Fraud Detection, ISO 20022, Small Business, behavioral analytics, graph neural networks, machine learning, payment security, real-time payments (RTP)

AI-Driven Cloud Solutions for Anti-Money Laundering (AML) Compliance with Graph Neural Networks and Behavioral Analytics (Published)

This article examines the integration of artificial intelligence with cloud computing to transform anti-money laundering compliance in financial institutions. Traditional rule-based AML systems have proven inadequate against sophisticated financial crimes, generating excessive false positives while missing complex schemes. Graph Neural Networks offer unprecedented capability to analyze transaction networks by modeling relationships between entities and detecting anomalous patterns. Behavioral analytics complements this approach by focusing on temporal patterns of individual customers, enabling dynamic risk profiling based on transactional behavior rather than static attributes. The cloud infrastructure supporting these analytics provides the necessary computational scalability, data integration capabilities, and real-time processing essential for modern AML operations. Implementation considerations include model explainability, regulatory compliance, and data protection requirements. The article explores emerging trends including federated learning for cross-institutional collaboration and advanced natural language processing for unstructured data analysis. This technological convergence represents not merely an incremental improvement but a fundamental transformation in AML capabilities, enabling financial institutions to implement sophisticated detection algorithms at scale while maintaining regulatory compliance and operational efficiency.

Keywords: Cloud Computing, anti-money laundering, behavioral analytics, financial crime detection, graph neural networks

Predictive CI-CD: A Case Study of AI-Driven Deployment Governance Transformation in Enterprise SaaS (Published)

This article presents a comprehensive case study of a Fortune 500 SaaS organization’s transformative journey from traditional reactive CI/CD pipelines to an AI-first predictive deployment governance model. The article examines the architectural evolution that leveraged Graph Neural Networks to model complex multi-repository service topologies, enabling sophisticated dependency management and build prioritization. The implementation of time-series analytics for system behavior monitoring and drift detection, coupled with machine learning algorithms for test impact prediction, significantly reduced pipeline failures and mean time to recovery. The analysis details the technical approach, organizational challenges, and operational outcomes of integrating artificial intelligence into core DevOps processes. The article demonstrates how AI-powered automation of dependency inference, failure pattern recognition, and incident triaging can transform deployment governance at enterprise scale, providing valuable insights for organizations facing similar DevOps scaling challenges.

Keywords: AI-powered DevOps, CI/CD transformation, enterprise DevOps scaling, graph neural networks, predictive deployment governance

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