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Fuzzing is a widely used technique for detecting vulnerabilities in smart contracts, which generates transaction sequences to explore the execution paths of smart contracts. However, existing fuzzers are falling short in detecting…

密码学与安全 · 计算机科学 2025-11-18 Jie Chen , Liangmin Wang

Deep reinforcement learning (DRL) has gained great success by learning directly from high-dimensional sensory inputs, yet is notorious for the lack of interpretability. Interpretability of the subtasks is critical in hierarchical…

人工智能 · 计算机科学 2019-03-01 Daoming Lyu , Fangkai Yang , Bo Liu , Steven Gustafson

The advent of blockchain technology has facilitated the widespread adoption of smart contracts in the financial sector. However, current fraud detection methodologies exhibit limitations in capturing both global structural patterns within…

密码学与安全 · 计算机科学 2025-01-07 Zhang Sheng , Liangliang Song , Yanbin Wang

Credit card fraud incurs a considerable cost for both cardholders and issuing banks. Contemporary methods apply machine learning-based classifiers to detect fraudulent behavior from labeled transaction records. But labeled data are usually…

机器学习 · 计算机科学 2024-12-25 Sheng Xiang , Mingzhi Zhu , Dawei Cheng , Enxia Li , Ruihui Zhao , Yi Ouyang , Ling Chen , Yefeng Zheng

Its constant technological evolution characterizes the contemporary world, and every day the processes, once manual, become computerized. Data are stored in the cyberspace, and as a consequence, one must increase the concern with the…

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…

计算与语言 · 计算机科学 2023-08-09 Qiuru Li

In Deepfake Detection (DFD) tasks, researchers proposed two types of MLLM-based methods: complementary combination with small DFD detectors, or static forgery knowledge injection. The lack of professional forgery knowledge hinders the…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Hui Han , Shunli Wang , Yandan Zhao , Taiping Yao , Shouhong Ding

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

In the modern financial sector, the exponential growth of data has made efficient and accurate financial data analysis increasingly crucial. Traditional methods, such as statistical analysis and rule-based systems, often struggle to process…

统计金融 · 定量金融 2025-04-10 Jingru Wang , Wen Ding , Xiaotong Zhu

Using machine learning models to generate synthetic data has become common in many fields. Technology to generate synthetic transactions that can be used to detect fraud is also growing fast. Generally, this synthetic data contains only…

机器学习 · 计算机科学 2023-06-30 Shuo Wang , Terrence Tricco , Xianta Jiang , Charles Robertson , John Hawkin

A method of a fusion of fuzzy inference and policy gradient reinforcement learning has been proposed that directly learns, as maximizes the expected value of the reward per episode, parameters in a policy function represented by fuzzy rules…

人工智能 · 计算机科学 2020-09-07 Seiji Ishihara , Harukazu Igarashi

As financial fraud becomes increasingly complex, effective detection methods are essential. Quantum Machine Learning (QML) introduces certain capabilities that may enhance both accuracy and efficiency in this area. This study examines how…

量子物理 · 物理学 2026-02-12 Mansour El Alami , Nouhaila Innan , Muhammad Shafique , Mohamed Bennai

Hybrid testing approaches that involve fuzz testing and symbolic execution have shown promising results in achieving high code coverage, uncovering subtle errors and vulnerabilities in a variety of software applications. In this paper we…

软件工程 · 计算机科学 2018-06-11 Yannic Noller , Rody Kersten , Corina S. Păsăreanu

Deep transformer models excel at multi-label text classification but often violate domain logic that experts consider essential, an issue of particular concern in safety-critical applications. We propose a hybrid neuro-symbolic framework…

人工智能 · 计算机科学 2025-10-08 Fadi Al Machot , Fidaa Al Machot

Deep neural networks (DNNs) demonstrate great success in classification tasks. However, they act as black boxes and we don't know how they make decisions in a particular classification task. To this end, we propose to distill the knowledge…

人工智能 · 计算机科学 2020-10-13 Xiangming Gu , Xiang Cheng

Subgraph matching in logic circuits is foundational for numerous Electronic Design Automation (EDA) applications, including datapath optimization, arithmetic verification, and hardware trojan detection. However, existing techniques rely…

人工智能 · 计算机科学 2025-10-09 Ziyang Zheng , Kezhi Li , Zhengyuan Shi , Qiang Xu

Financial statement fraud detection is an important problem with a number of design aspects to consider. Issues such as (i) problem representation, (ii) feature selection, and (iii) choice of performance metrics all influence the perceived…

密码学与安全 · 计算机科学 2015-11-27 J. West , Maumita Bhattacharya

Answering complex First-Order Logical (FOL) queries on large-scale incomplete knowledge graphs (KGs) is an important yet challenging task. Recent advances embed logical queries and KG entities in the same space and conduct query answering…

机器学习 · 计算机科学 2022-06-17 Xuelu Chen , Ziniu Hu , Yizhou Sun

Credit card fraud causes significant financial losses and frequently occurs as fraud attack, defined as short-term sequence of fraudulent transactions associated with high transaction rates and amounts, business areas historically tied to…

最优化与控制 · 数学 2025-03-27 Alexander Stotsky

Many approaches for multiple testing begin with the assumption that all tests in a given study should be combined into a global false-discovery-rate analysis. But this may be inappropriate for many of today's large-scale screening problems,…

统计方法学 · 统计学 2014-06-10 James G. Scott , Ryan C. Kelly , Matthew A. Smith , Pengcheng Zhou , Robert E. Kass
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