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相关论文: Fraudulent Electronic transaction detection using …

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Continuous generation of streaming data from diverse sources, such as online transactions and digital interactions, necessitates timely fraud detection. Traditional batch processing methods often struggle to capture the rapidly evolving…

机器学习 · 计算机科学 2025-04-15 Vivek Yelleti

Standardized datasets and benchmarks have spurred innovations in computer vision, natural language processing, multi-modal and tabular settings. We note that, as compared to other well researched fields, fraud detection has unique…

机器学习 · 计算机科学 2023-09-26 Prince Grover , Julia Xu , Justin Tittelfitz , Anqi Cheng , Zheng Li , Jakub Zablocki , Jianbo Liu , Hao Zhou

Various problems of any credit card fraud detection based on machine learning come from the imbalanced aspect of transaction datasets. Indeed, the number of frauds compared to the number of regular transactions is tiny and has been shown to…

机器学习 · 计算机科学 2022-06-28 François de la Bourdonnaye , Fabrice Daniel

More users and companies make use of cloud services every day. They all expect a perfect performance and any issue to remain transparent to them. This last statement is very challenging to perform. A user's activities in our cloud can…

密码学与安全 · 计算机科学 2014-11-26 Marc Solanas , Julio Hernandez-Castro , Debojyoti Dutta

For the highly imbalanced credit card fraud detection problem, most existing methods either use data augmentation methods or conventional machine learning models, while neural network-based anomaly detection approaches are lacking.…

机器学习 · 计算机科学 2022-06-30 Tungyu Wu , Youting Wang

In Business Intelligence, accurate predictive modeling is the key for providing adaptive decisions. We studied predictive modeling problems in this research which was motivated by real-world cases that Microsoft data scientists encountered…

机器学习 · 计算机科学 2018-11-16 Junxuan Li , Yung-wen Liu , Yuting Jia , Yifei Ren , Jay Nanduri

In this paper, we present a novel fraud-proof mechanism that achieves fast finality and, when combined with optimistic execution, enables real-time transaction processing. State-of-the-art optimistic rollups typically adopt a 7-day…

密码学与安全 · 计算机科学 2025-02-17 Gabriele Picco , Andrea Fortugno

Applications of blockchain technologies got a lot of attention in recent years. They exceed beyond exchanging value and being a substitute for fiat money and traditional banking system. Nevertheless, being able to exchange value on a…

密码学与安全 · 计算机科学 2019-08-22 Michal Ostapowicz , Kamil Żbikowski

Money laundering is a global problem that concerns legitimizing proceeds from serious felonies (1.7-4 trillion euros annually) such as drug dealing, human trafficking, or corruption. The anti-money laundering systems deployed by financial…

In recent years, the unprecedented growth in digital payments fueled consequential changes in fraud and financial crimes. In this new landscape, traditional fraud detection approaches such as rule-based engines have largely become…

机器学习 · 计算机科学 2021-03-03 E. Kurshan , H. Shen , H. Yu

Money laundering is a major global problem, enabling criminal organisations to hide their ill-gotten gains and to finance further operations. Prevention of money laundering is seen as a high priority by many governments, however detection…

社会与信息网络 · 计算机科学 2016-08-03 David Savage , Qingmai Wang , Pauline Chou , Xiuzhen Zhang , Xinghuo Yu

Machine learning models have widely been used in fraud detection systems. Most of the research and development efforts have been concentrated on improving the performance of the fraud scoring models. Yet, the downstream fraud alert systems…

机器学习 · 计算机科学 2020-10-22 Hongda Shen , Eren Kurshan

Fraud detection remains a critical task in high-stakes domains such as finance and e-commerce, where undetected fraudulent transactions can lead to significant economic losses. In this study, we systematically compare the performance of…

机器学习 · 计算机科学 2025-09-19 Chao Wang , Chuanhao Nie , Yunbo Liu

The increasing complexity and volume of financial transactions pose significant challenges to traditional fraud detection systems. This technical report investigates and compares the efficacy of classical, quantum, and quantum-hybrid…

Money laundering (ML) is the behavior to conceal the source of money achieved by illegitimate activities, and always be a fast process involving frequent and chained transactions. How can we detect ML and fraudulent activity in large scale…

计算机与社会 · 计算机科学 2021-03-24 Xiaobing Sun , Jiabao Zhang , Qiming Zhao , Shenghua Liu , Jinglei Chen , Ruoyu Zhuang , Huawei Shen , Xueqi Cheng

We present a data mining approach for profiling bank clients in order to support the process of detection of anti-money laundering operations. We first present the overall system architecture, and then focus on the relevant component for…

机器学习 · 计算机科学 2016-01-12 Claudio Alexandre , João Balsa

In this research, a comparative study of four Quantum Machine Learning (QML) models was conducted for fraud detection in finance. We proved that the Quantum Support Vector Classifier model achieved the highest performance, with F1 scores of…

量子物理 · 物理学 2023-11-28 Nouhaila Innan , Muhammad Al-Zafar Khan , Mohamed Bennai

With the explosive growth of e-commerce and the booming of e-payment, detecting online transaction fraud in real time has become increasingly important to Fintech business. To tackle this problem, we introduce the TitAnt, a transaction…

机器学习 · 计算机科学 2019-06-19 Shaosheng Cao , Xinxing Yang , Cen Chen , Jun Zhou , Xiaolong Li , Yuan Qi

On electronic game platforms, different payment transactions have different levels of risk. Risk is generally higher for digital goods in e-commerce. However, it differs based on product and its popularity, the offer type (packaged game,…

机器学习 · 计算机科学 2017-09-21 Bokai Cao , Mia Mao , Siim Viidu , Philip S. Yu

Credit card frauds are at an ever-increasing rate and have become a major problem in the financial sector. Because of these frauds, card users are hesitant in making purchases and both the merchants and financial institutions bear heavy…

机器学习 · 计算机科学 2020-12-08 Thanh Thi Nguyen , Hammad Tahir , Mohamed Abdelrazek , Ali Babar