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Credit card fraud remains a significant challenge due to class imbalance and fraudsters mimicking legitimate behavior. This study evaluates five machine learning models - Logistic Regression, Random Forest, XGBoost, K-Nearest Neighbors…

Machine Learning · Computer Science 2025-09-19 Iva Popova , Hamza A. A. Gardi

In supervised learning one wishes to identify a pattern present in a joint distribution $P$, of instances, label pairs, by providing a function $f$ from instances to labels that has low risk $\mathbb{E}_{P}\ell(y,f(x))$. To do so, the…

Machine Learning · Statistics 2015-07-07 Brendan van Rooyen , Robert C. Williamson

Machine learning models play a key role for service providers looking to gain market share in consumer markets. However, traditional learning approaches do not take into account the existence of additional providers, who compete with each…

Machine Learning · Computer Science 2025-08-15 Ohad Einav , Nir Rosenfeld

Bond prices are a reflection of extremely complex market interactions and policies, making prediction of future prices difficult. This task becomes even more challenging due to the dearth of relevant information, and accuracy is not the…

Statistical Finance · Quantitative Finance 2017-05-04 Swetava Ganguli , Jared Dunnmon

This research explores Cost-Sensitive Learning (CSL) in the fraud detection domain to decrease the fraud class's incorrect predictions and increase its accuracy. Notably, we concentrate on shill bidding fraud that is challenging to detect…

Machine Learning · Computer Science 2020-12-23 Sulaf Elshaar , Samira Sadaoui

Nowadays, organizations collect vast quantities of sensitive information in `Enterprise Resource Planning' (ERP) systems, such as accounting relevant transactions, customer master data, or strategic sales price information. The leakage of…

Machine Learning · Computer Science 2020-12-15 Marco Schreyer , Chistian Schulze , Damian Borth

Machine learning offers potential solutions to current issues in industrial systems in areas such as quality control and predictive maintenance, but also faces unique barriers in industrial applications. An ongoing challenge is extreme…

Machine Learning · Computer Science 2026-01-15 Lesley Wheat , Martin v. Mohrenschildt , Saeid Habibi

This paper introduces a Machine Learning-Driven website Platform and Browser Extension designed to quickly enhance online security by providing real-time risk scoring and fraud detection for website legitimacy verification and consumer…

Cryptography and Security · Computer Science 2024-11-04 Md Kamrul Hasan Chy , Obed Nana Buadi

As the world is rapidly moving towards digitization and money transactions are becoming cashless, the use of credit cards has rapidly increased. The fraud activities associated with it have also been increasing which leads to a huge loss to…

Artificial Intelligence · Computer Science 2021-08-24 Pooja Tiwari , Simran Mehta , Nishtha Sakhuja , Jitendra Kumar , Ashutosh Kumar Singh

Automatic defect detection is a challenging task because of the variability in texture and type of fabric defects. An effective defect detection system enables manufacturers to improve the quality of processes and products. Automation…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Samit Chakraborty , Marguerite Moore , Lisa Parrillo-Chapman

Cybersecurity attacks are growing both in frequency and sophistication over the years. This increasing sophistication and complexity call for more advancement and continuous innovation in defensive strategies. Traditional methods of…

Machine Learning · Computer Science 2020-01-20 Antoine Delplace , Sheryl Hermoso , Kristofer Anandita

Predicting crime using machine learning and deep learning techniques has gained considerable attention from researchers in recent years, focusing on identifying patterns and trends in crime occurrences. This review paper examines over 150…

Machine Learning · Computer Science 2023-06-16 Varun Mandalapu , Lavanya Elluri , Piyush Vyas , Nirmalya Roy

Financial fraud is the cause of multi-billion dollar losses annually. Traditionally, fraud detection systems rely on rules due to their transparency and interpretability, key features in domains where decisions need to be explained.…

Machine Learning · Computer Science 2024-08-26 João Lucas Martins , João Bravo , Ana Sofia Gomes , Carlos Soares , Pedro Bizarro

Financial forensics has an important role in the field of finance to detect and investigate the occurrence of finance related crimes like money laundering. However, as with other forms of criminal activities, the forensics analysis of such…

Cryptography and Security · Computer Science 2023-03-10 Jonathan Pan

Plagiarism is an act of using someone else's work without proper acknowledgment, and this sin is seen to cut across various arenas including the academy, publishing, and other similar arenas. The traditional methods of plagiarism detection…

Emerging Technologies · Computer Science 2024-12-10 Omraj Kamat , Tridib Ghosh , Kalaivani J , Angayarkanni V , Rama P

Mortgage default prediction is a core task in financial risk management, and machine learning models are increasingly used to estimate default probabilities and provide interpretable signals for downstream decisions. In real-world mortgage…

Machine Learning · Computer Science 2026-02-03 Xianghong Hu , Tianning Xu , Ying Chen , Shuai Wang

Rapid growth of modern technologies such as internet and mobile computing are bringing dramatically increased e-commerce payments, as well as the explosion in transaction fraud. Meanwhile, fraudsters are continually refining their tricks,…

Cryptography and Security · Computer Science 2018-03-20 Xurui Li , Wei Yu , Tianyu Luwang , Jianbin Zheng , Xuetao Qiu , Jintao Zhao , Lei Xia , Yujiao Li

Machine learning is gaining popularity in the network security domain as many more network-enabled devices get connected, as malicious activities become stealthier, and as new technologies like Software Defined Networking emerge.…

Cryptography and Security · Computer Science 2018-04-10 Tam N. Nguyen

We apply an artificial neural network to model and verify material properties. The neural network algorithm has a unique capability to handle incomplete data sets in both training and predicting, so it can regard properties as inputs…

Computational Physics · Physics 2018-03-02 P. C. Verpoort , P. MacDonald , G. J. Conduit

In recent years, we observe an increasing amount of software with machine learning components being deployed. This poses the question of quality assurance for such components: how can we validate whether specified requirements are fulfilled…

Software Engineering · Computer Science 2021-05-04 Arnab Sharma , Caglar Demir , Axel-Cyrille Ngonga Ngomo , Heike Wehrheim