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The widespread adoption of complex machine learning models in high-stakes domains has brought the "black-box" problem to the forefront of responsible AI research. This paper aims at addressing this issue by improving the Explainable…

Machine Learning · Computer Science 2025-12-02 Isara Liyanage , Uthayasanker Thayasivam

This research introduces an innovative method for identifying credit card fraud by combining the SMOTE-KMEANS technique with an ensemble machine learning model. The proposed model was benchmarked against traditional models such as logistic…

Machine Learning · Computer Science 2025-03-28 Yuhan Wang

Machine learning has opened up new tools for financial fraud detection. Using a sample of annotated transactions, a machine learning classification algorithm learns to detect frauds. With growing credit card transaction volumes and rising…

Machine Learning · Computer Science 2022-08-26 Gayan K. Kulatilleke

In the era of the digitally driven economy, where there has been an exponential surge in digital payment systems and other online activities, various forms of fraudulent activities have accompanied the digital growth, out of which credit…

Machine Learning · Computer Science 2025-09-23 Ganesh Khekare , Shivam Sunda , Yash Bothra

Credit card has become popular mode of payment for both online and offline purchase, which leads to increasing daily fraud transactions. An Efficient fraud detection methodology is therefore essential to maintain the reliability of the…

Machine Learning · Computer Science 2019-04-25 Xuetong Niu , Li Wang , Xulei Yang

With the proliferation of various online and mobile payment systems, credit card fraud has emerged as a significant threat to financial security. This study focuses on innovative applications of the latest Transformer models for more robust…

Machine Learning · Computer Science 2024-11-13 Chang Yu , Yongshun Xu , Jin Cao , Ye Zhang , Yinxin Jin , Mengran Zhu

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

Credit card fraud detection is a critical challenge in the financial sector, demanding sophisticated approaches to accurately identify fraudulent transactions. This research proposes an innovative methodology combining Neural Networks (NN)…

Computational Engineering, Finance, and Science · Computer Science 2024-05-02 Mengran Zhu , Ye Zhang , Yulu Gong , Changxin Xu , Yafei Xiang

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.…

Machine Learning · Computer Science 2022-06-30 Tungyu Wu , Youting Wang

With growing credit card transaction volumes, the fraud percentages are also rising, including overhead costs for institutions to combat and compensate victims. The use of machine learning into the financial sector permits more effective…

Machine Learning · Computer Science 2022-08-26 Gayan K. Kulatilleke , Sugandika Samarakoon

Spurious credit card transactions are a significant source of financial losses and urge the development of accurate fraud detection algorithms. In this paper, we use machine learning strategies for such an aim. First, we apply a mixed…

Machine Learning · Computer Science 2021-12-07 Daniel H. M. de Souza , Claudio J. Bordin

Fraud detection is a challenging task due to the changing nature of fraud patterns over time and the limited availability of fraud examples to learn such sophisticated patterns. Thus, fraud detection with the aid of smart versions of…

Machine Learning · Computer Science 2022-09-07 Mary Isangediok , Kelum Gajamannage

In a context of constant increase in competition and heightened regulatory pressure, accuracy, actuarial precision, as well as transparency and understanding of the tariff, are key issues in non-life insurance. Traditionally used…

Applications · Statistics 2025-03-28 Markéta Krùpovà , Nabil Rachdi , Quentin Guibert

Interpretability is a crucial aspect of machine learning models that enables humans to understand and trust the decision-making process of these models. In many real-world applications, the interpretability of models is essential for legal,…

Machine Learning · Statistics 2023-07-18 Shree Charran R , Sandipan Das Mahapatra

Credit card fraud is an ongoing problem for almost all industries in the world, and it raises millions of dollars to the global economy each year. Therefore, there is a number of research either completed or proceeding in order to detect…

Machine Learning · Computer Science 2020-07-30 Yusuf Yazici

Credit card fraud detection remains a critical challenge in financial security, with machine learning models like XGBoost(eXtreme gradient boosting) emerging as powerful tools for identifying fraudulent transactions. However, the inherent…

Machine Learning · Computer Science 2024-12-11 Siyaxolisa Kabane

Financial institutions and businesses face an ongoing challenge from fraudulent transactions, prompting the need for effective detection methods. Detecting credit card fraud is crucial for identifying and preventing unauthorized…

Machine Learning · Computer Science 2024-02-23 Md. Alamin Talukder , Rakib Hossen , Md Ashraf Uddin , Mohammed Nasir Uddin , Uzzal Kumar Acharjee

Since the 1990s, there have been significant advances in the technology space and the e-Commerce area, leading to an exponential increase in demand for cashless payment solutions. This has led to increased demand for credit cards, bringing…

Risk Management · Quantitative Finance 2021-10-06 K. S. Naik

The credit card has become the most popular payment method for both online and offline transactions. The necessity to create a fraud detection algorithm to precisely identify and stop fraudulent activity arises as a result of both the…

Artificial Intelligence · Computer Science 2023-03-14 AlsharifHasan Mohamad Aburbeian , Huthaifa I. Ashqar

Traditional machine learning models often prioritize predictive accuracy, often at the expense of model transparency and interpretability. The lack of transparency makes it difficult for organizations to comply with regulatory requirements…

Machine Learning · Computer Science 2025-05-16 Fahad Almalki , Mehedi Masud
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