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Related papers: Interleaved Sequence RNNs for Fraud Detection

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Graph Neural Networks (GNNs) have become an effective tool for malware detection by capturing program execution through graph-structured representations. However, important challenges remain regarding scalability, interpretability, and the…

Cryptography and Security · Computer Science 2025-11-27 Hossein Shokouhinejad , Griffin Higgins , Roozbeh Razavi-Far , Ali A. Ghorbani

Recurrent neural networks (RNNs) have been extraordinarily successful for prediction with sequential data. To tackle highly variable and noisy real-world data, we introduce Particle Filter Recurrent Neural Networks (PF-RNNs), a new RNN…

Machine Learning · Computer Science 2019-12-03 Xiao Ma , Peter Karkus , David Hsu , Wee Sun Lee

Convolutional neural networks (CNNs) have demonstrated their superiority in numerous computer vision tasks, yet their computational cost results prohibitive for many real-time applications such as pedestrian detection which is usually…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Farzin Ghorban , Javier Marín , Yu Su , Alessandro Colombo , Anton Kummert

Fraud detection is extremely critical for e-commerce business. It is the intent of the companies to detect and prevent fraud as early as possible. Existing fraud detection methods try to identify unexpected dense subgraphs and treat related…

Machine Learning · Computer Science 2020-11-09 Yuxiang Ren , Hao Zhu , Jiawei Zhang , Peng Dai , Liefeng Bo

Fraud in healthcare is widespread, as doctors could prescribe unnecessary treatments to increase bills. Insurance companies want to detect these anomalous fraudulent bills and reduce their losses. Traditional fraud detection methods use…

Machine Learning · Computer Science 2020-10-13 Victoria Snorovikhina , Alexey Zaytsev

Lane detection in driving scenes is an important module for autonomous vehicles and advanced driver assistance systems. In recent years, many sophisticated lane detection methods have been proposed. However, most methods focus on detecting…

Computer Vision and Pattern Recognition · Computer Science 2020-04-30 Qin Zou , Hanwen Jiang , Qiyu Dai , Yuanhao Yue , Long Chen , Qian Wang

While transactions with cryptocurrencies such as Ethereum are becoming more prevalent, fraud and other criminal transactions are not uncommon. Graph analysis algorithms and machine learning techniques detect suspicious transactions that…

Machine Learning · Computer Science 2022-07-05 Hiroki Kanezashi , Toyotaro Suzumura , Xin Liu , Takahiro Hirofuchi

The rise of digital payments has caused consequential changes in the financial crime landscape. As a result, traditional fraud detection approaches such as rule-based systems have largely become ineffective. AI and machine learning…

Cryptography and Security · Computer Science 2021-03-05 E. Kurshan , H. Shen

With the booming growth of e-commerce, detecting financial fraud has become an urgent task to avoid transaction risks. Despite the successful applications of Graph Neural Networks (GNNs) in fraud detection, the existing solutions are only…

Computational Engineering, Finance, and Science · Computer Science 2022-05-24 Yujie Li , Yuxuan Yang , Xin Yang , Qiang Gao , Fan Zhou

Rapid and massive adoption of mobile/ online payment services has brought new challenges to the service providers as well as regulators in safeguarding the proper uses such services/ systems. In this paper, we leverage recent advances in…

Social and Information Networks · Computer Science 2019-06-14 Da Sun Handason Tam , Wing Cheong Lau , Bin Hu , Qiu Fang Ying , Dah Ming Chiu , Hong Liu

Image forgery has become a critical threat with the rapid proliferation of AI-based generation tools, which make it increasingly easy to synthesize realistic but fraudulent facial content. Existing detection methods achieve near-perfect…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Wyatt McCurdy , Xin Zhang , Yuqi Song , Min Gao

Detecting fraudulent activities in financial and e-commerce transaction networks is crucial. One effective method for this is Densest Subgraph Discovery (DSD). However, deploying DSD methods in production systems faces substantial…

Databases · Computer Science 2025-04-15 Jiaxin Jiang , Siyuan Yao , Yuchen Li , Qiange Wang , Bingsheng He , Min Chen

In response to the increasing ransomware threat, this study presents a novel detection system that integrates Convolutional Neural Networks (CNNs) and Long Short-Term Memory (LSTM) networks. By leveraging Sysmon logs, the system enables…

Cryptography and Security · Computer Science 2025-01-03 Jamil Ispahany , MD Rafiqul Islam , M. Arif Khan , MD Zahidul Islam

Machine learning has automated much of financial fraud detection, notifying firms of, or even blocking, questionable transactions instantly. However, data imbalance starves traditionally trained models of the content necessary to detect…

Machine Learning · Computer Science 2019-09-06 Samuel Showalter , Zhixin Wu

Neural approaches to sequence labeling often use a Conditional Random Field (CRF) to model their output dependencies, while Recurrent Neural Networks (RNN) are used for the same purpose in other tasks. We set out to establish RNNs as an…

Machine Learning · Computer Science 2018-10-02 Saeed Najafi , Colin Cherry , Grzegorz Kondrak

Collusion is a complex phenomenon in which companies secretly collaborate to engage in fraudulent practices. This paper presents an innovative methodology for detecting and predicting collusion patterns in different national markets using…

Econometrics · Economics 2024-10-10 Lucas Gomes , Jannis Kueck , Mara Mattes , Martin Spindler , Alexey Zaytsev

Credit card fraud is a problem continuously faced by financial institutions and their customers, which is mitigated by fraud detection systems. However, these systems require the use of sensitive customer transaction data, which introduces…

Cryptography and Security · Computer Science 2022-11-15 David Nugent

Fraud detection is essential in financial services, with the potential of greatly reducing criminal activities and saving considerable resources for businesses and customers. We address online fraud detection, which consists of classifying…

Machine Learning · Computer Science 2020-02-17 David Aparício , Ricardo Barata , João Bravo , João Tiago Ascensão , Pedro Bizarro

This study introduces the Quantum Federated Neural Network for Financial Fraud Detection (QFNN-FFD), a cutting-edge framework merging Quantum Machine Learning (QML) and quantum computing with Federated Learning (FL) for financial fraud…

Quantum Physics · Physics 2025-09-03 Nouhaila Innan , Alberto Marchisio , Mohamed Bennai , Muhammad Shafique

Telecommunication fraud is an acute problem that leads to substantial material losses and compromises the reliability of telecom systems worldwide. Only effective and efficient detection mechanisms can help to deal with these threats,…

Networking and Internet Architecture · Computer Science 2026-05-25 Praveen Hegde , Mishal Shah