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In today's world of computers, any kind of information can be made available within few clicks for different endeavors. The information may be tampered by changing the statistical properties and can be further used for criminal activities.…

Computers and Society · Computer Science 2017-09-20 Nikita Rana , Gunjan Sansanwal , Kiran Khatter , Sukhdev Singh

Classification, a heavily-studied data-driven machine learning task, drives an increasing number of prediction systems involving critical human decisions such as loan approval and criminal risk assessment. However, classifiers often…

Machine Learning · Computer Science 2022-04-12 Maliha Tashfia Islam , Anna Fariha , Alexandra Meliou , Babak Salimi

This study examines insurance companies' financial performance and reporting trends within the medical sector using advanced clustering techniques to identify distinct patterns. Four clusters were identified by analyzing financial ratios…

Computational Finance · Quantitative Finance 2025-03-20 Evans Kiptoo Korir , Zsolt Vizi

Opinion mining is a prevalent research issue in many domains. In the financial domain, however, it is still in the early stages. Most of the researches on this topic only focus on the coarse-grained market sentiment analysis, i.e., 2-way…

Computation and Language · Computer Science 2020-05-21 Chung-Chi Chen , Hen-Hsen Huang , Hsin-Hsi Chen

While E-commerce has been growing explosively and online shopping has become popular and even dominant in the present era, online transaction fraud control has drawn considerable attention in business practice and academic research.…

Artificial Intelligence · Computer Science 2019-07-30 Junxuan Li , Yung-wen Liu , Yuting Jia , Jay Nanduri

eCommerce transaction frauds keep changing rapidly. This is the major issue that prevents eCommerce merchants having a robust machine learning model for fraudulent transactions detection. The root cause of this problem is that rapid…

Applications · Statistics 2018-10-11 Huiying Mao , Yung-wen Liu , Yuting Jia , Jay Nanduri

Secure software engineering is a fundamental activity in modern software development. However, while the field of security research has been advancing quite fast, in practice, there is still a vast knowledge gap between the security experts…

Software Engineering · Computer Science 2021-04-09 Vivek Arora , Enrique Larios Vargas , Maurício Aniche , Arie van Deursen

Ensuring fairness in transaction fraud detection models is vital due to the potential harms and legal implications of biased decision-making. Despite extensive research on algorithmic fairness, there is a notable gap in the study of bias in…

Machine Learning · Computer Science 2024-09-09 Parameswaran Kamalaruban , Yulu Pi , Stuart Burrell , Eleanor Drage , Piotr Skalski , Jason Wong , David Sutton

Learning to detect fraud in large-scale accounting data is one of the long-standing challenges in financial statement audits or fraud investigations. Nowadays, the majority of applied techniques refer to handcrafted rules derived from known…

Machine Learning · Computer Science 2018-08-02 Marco Schreyer , Timur Sattarov , Damian Borth , Andreas Dengel , Bernd Reimer

The International Standards on Auditing require auditors to collect reasonable assurance that financial statements are free of material misstatement. At the same time, a central objective of Continuous Assurance is the real-time assessment…

Machine Learning · Computer Science 2022-10-28 Marco Schreyer , Hamed Hemati , Damian Borth , Miklos A. Vasarhelyi

In recent years, blockchain technology has introduced decentralized finance (DeFi) as an alternative to traditional financial systems. DeFi aims to create a transparent and efficient financial ecosystem using smart contracts and emerging…

Computational Engineering, Finance, and Science · Computer Science 2024-03-14 Bingqiao Luo , Zhen Zhang , Qian Wang , Anli Ke , Shengliang Lu , Bingsheng He

In the faceless world of the Internet,online fraud is one of the greatest reasons of loss for web merchants.Advanced solutions are needed to protect e businesses from the constant problems of fraud.Many popular fraud detection algorithms…

Networking and Internet Architecture · Computer Science 2010-06-15 P. Srinivasulu , J. Ranga Rao , I. Ramesh Babu

Fraudulent activities are rapidly evolving, employing increasingly diverse and sophisticated methods that pose serious threats to individuals, organizations, and society. This paper proposes the FIST Framework (Fraud Incident Structured…

Cryptography and Security · Computer Science 2025-06-09 Yu-Chen Dai , Lu-An Chen , Sy-Jye Her , Yu-Xian Jiang

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

Donations to charity-based crowdfunding environments have been on the rise in the last few years. Unsurprisingly, deception and fraud in such platforms have also increased, but have not been thoroughly studied to understand what…

Computers and Society · Computer Science 2020-07-01 Beatrice Perez , Sara R. Machado , Jerone T. A. Andrews , Nicolas Kourtellis

Scientific fraud is an increasingly vexing problem. Many current programs for fraud detection focus on image manipulation, while techniques for detection based on anomalous patterns that may be discoverable in the underlying numerical data…

Quantitative Methods · Quantitative Biology 2013-11-22 Joel H Pitt , Helene Z Hill

Multiple testing plagues many important questions in finance such as fund and factor selection. We propose a new way to calibrate both Type I and Type II errors. Next, using a double-bootstrap method, we establish a t-statistic hurdle that…

Methodology · Statistics 2020-06-09 Campbell R. Harvey , Yan Liu

AI prevails in financial fraud detection and decision making. Yet, due to concerns about biased automated decision making or profiling, regulations mandate that final decisions are made by humans. Financial fraud investigators face the…

Machine Learning · Computer Science 2024-08-28 Angelos Chatzimparmpas , Evanthia Dimara

Detecting anomalies has become increasingly critical to the financial service industry. Anomalous events are often indicative of illegal activities such as fraud, identity theft, network intrusion, account takeover, and money laundering.…

Machine Learning · Computer Science 2021-01-06 Hongda Shen , Eren Kursun

Fraud is a prevalent offence that extends beyond financial loss, causing psychological and physical harm to victims. The advancements in online communication technologies alowed for online fraud to thrive in this vast network, with…

Computation and Language · Computer Science 2025-04-17 Antonis Papasavva , Shane Johnson , Ed Lowther , Samantha Lundrigan , Enrico Mariconti , Anna Markovska , Nilufer Tuptuk