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Medicare fraud poses a substantial challenge to healthcare systems, resulting in significant financial losses and undermining the quality of care provided to legitimate beneficiaries. This study investigates the use of machine learning (ML)…

Machine Learning · Computer Science 2025-02-25 Dorsa Farahmandazad , Kasra Danesh

This paper presents the Variation Network (VarNet), a generative model providing means to manipulate the high-level attributes of a given input. The originality of our approach is that VarNet is not only capable of handling pre-defined…

Machine Learning · Computer Science 2019-09-17 Gaëtan Hadjeres , Frank Nielsen

We present a novel hybrid quantum-classical neural network architecture for fraud detection that integrates a classical Long Short-Term Memory (LSTM) network with a variational quantum circuit. By leveraging quantum phenomena such as…

Quantum Physics · Physics 2025-05-02 Rushikesh Ubale , Sujan K. K. , Sangram Deshpande , Gregory T. Byrd

Machine learning (ML) model trading, known for its role in protecting data privacy, faces a major challenge: information asymmetry. This issue can lead to model deception, a problem that current literature has not fully solved, where the…

Computer Science and Game Theory · Computer Science 2026-01-13 Xiang Li , Jianwei Huang , Kai Yang , Chenyou Fan

Criminals are using every means available to launder the profits from their illegal activities into ostensibly legitimate assets. Meanwhile, most commercial anti-money laundering systems are still rule-based, which cannot adapt to the…

Social and Information Networks · Computer Science 2025-01-17 Xurui Li , Xiang Cao , Xuetao Qiu , Jintao Zhao , Jianbin Zheng

Over past years, the manually methods to create detection rules were no longer practical in the anti-malware product since the number of malware threats has been growing. Thus, the turn to the machine learning approaches is a promising way…

Cryptography and Security · Computer Science 2022-05-02 Khanh Huu The Dam , Charles-Henry Bertrand Van Ouytsel , Axel Legay

In this report, I present a deep learning approach to conduct a natural language processing (hereafter NLP) binary classification task for analyzing financial-fraud texts. First, I searched for regulatory announcements and enforcement…

Computation and Language · Computer Science 2023-08-09 Qiuru Li

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 online payment platforms being ubiquitous and important, fraud transaction detection has become the key for such platforms, to ensure user account safety and platform security. In this work, we present a novel method for detecting…

Machine Learning · Computer Science 2020-03-30 Longfei Li , Ziqi Liu , Chaochao Chen , Ya-Lin Zhang , Jun Zhou , Xiaolong Li

Detecting fraud and corruption in public procurement remains a major challenge for governments worldwide. Most research to-date builds on domain-knowledge-based corruption risk indicators of individual contract-level features and some also…

Machine Learning · Computer Science 2025-12-29 Martí Medina-Hernández , Janos Kertész , Mihály Fazekas

Since the inception of permissionless blockchains with Bitcoin in 2008, it became apparent that their most well-suited use case is related to making the financial system and its advantages available to everyone seamlessly without depending…

General Finance · Quantitative Finance 2023-06-16 Georgios Palaiokrassas , Sandro Scherrers , Iason Ofeidis , Leandros Tassiulas

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

Money laundering is the crucial mechanism utilized by criminals to inject proceeds of crime to the financial system. The primary responsibility of the detection of suspicious activity related to money laundering is with the financial…

Machine Learning · Computer Science 2020-11-18 Utku Görkem Ketenci , Tolga Kurt , Selim Önal , Cenk Erbil , Sinan Aktürkoğlu , Hande Şerban İlhan

As the world is becoming more dependent on the internet for information exchange, some overzealous journalists, hackers, bloggers, individuals and organizations tend to abuse the gift of free information environment by polluting it with…

Computation and Language · Computer Science 2021-04-02 Kwadwo Osei Bonsu

Measuring risk is at the center of modern financial risk management. As the world economy is becoming more complex and standard modeling assumptions are violated, the advanced artificial intelligence solutions may provide the right tools to…

Machine Learning · Computer Science 2020-11-16 Hamidreza Arian , Mehrdad Moghimi , Ehsan Tabatabaei , Shiva Zamani

Money launderers take advantage of limitations in existing detection approaches by hiding their financial footprints in a deceitful manner. They manage this by replicating transaction patterns that the monitoring systems cannot easily…

Machine Learning · Computer Science 2026-04-15 Haseeb Tariq , Alen Kaja , Marwan Hassani

Contemporary undertakings provide limitless opportunities for widespread application of machine reasoning and artificial intelligence in situations characterised by uncertainty, hostility and sheer volume of data. The paper develops a…

Artificial Intelligence · Computer Science 2022-08-05 Branko Ristic , Alessio Benavoli , Sanjeev Arulampalam

A current trend in industries such as semiconductors and foundry is to shift their visual inspection processes to Automatic Visual Inspection (AVI) systems, to reduce their costs, mistakes, and dependency on human experts. This paper…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Masoud Jalayer , Reza Jalayer , Amin Kaboli , Carlotta Orsenigo , Carlo Vercellis

The VAT method is a visual technique for determining the potential cluster structure and the possible number of clusters in numerical data. Its improved version, iVAT, uses a path-based distance transform to improve the effectiveness of VAT…

Machine Learning · Computer Science 2020-09-29 Punit Rathore , James C. Bezdek , Paolo Santi , Carlo Ratti

Detecting fraud in modern supply chains is a growing challenge, driven by the complexity of global networks and the scarcity of labeled data. Traditional detection methods often struggle with class imbalance and limited supervision,…

Machine Learning · Computer Science 2025-08-12 Fatemeh Moradi , Mehran Tarif , Mohammadhossein Homaei