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With the rapid development of mobile networks, the people's social contacts have been considerably facilitated. However, the rise of mobile social network fraud upon those networks, has caused a great deal of distress, in case of depleting…

社会与信息网络 · 计算机科学 2023-03-31 Xinxin Hu , Haotian Chen , Hongchang Chen , Shuxin Liu , Xing Li , Shibo Zhang , Yahui Wang , Xiangyang Xue

In e-commerce industry, user behavior sequence data has been widely used in many business units such as search and merchandising to improve their products. However, it is rarely used in financial services not only due to its 3V…

机器学习 · 计算机科学 2021-01-13 Wei Min , Weiming Liang , Hang Yin , Zhurong Wang , Mei Li , Alok Lal

Many online platforms have deployed anti-fraud systems to detect and prevent fraudulent activities. However, there is usually a gap between the time that a user commits a fraudulent action and the time that the user is suspended by the…

机器学习 · 计算机科学 2018-11-15 Panpan Zheng , Shuhan Yuan , Xintao Wu

In this work, we present a learning based method focusing on the convolutional neural network (CNN) architecture to detect these forgeries. We consider the detection of both copy-move forgeries and inpainting based forgeries. For these, we…

计算机视觉与模式识别 · 计算机科学 2022-02-03 Ankit Katiyar , Arnav Bhavsar

Although recurrent neural networks (RNNs) are state-of-the-art in numerous sequential decision-making tasks, there has been little research on explaining their predictions. In this work, we present TimeSHAP, a model-agnostic recurrent…

机器学习 · 计算机科学 2021-06-29 João Bento , Pedro Saleiro , André F. Cruz , Mário A. T. Figueiredo , Pedro Bizarro

Legal practitioners and judicial institutions face an ever-growing volume of case-law documents characterised by formalised language, lengthy sentence structures, and highly specialised terminology, making manual triage both time-consuming…

With an upsurge in financial accounting fraud in the current economic scenario experienced, financial accounting fraud detection (FAFD) has become an emerging topic of great importance for academic, research and industries. The failure of…

计算机与社会 · 计算机科学 2013-09-17 Anuj Sharma , Prabin Kumar Panigrahi

We introduce a deep convolutional neural networks (CNN) architecture to classify facial attributes and recognize face images simultaneously via a shared learning paradigm to improve the accuracy for facial attribute prediction and face…

计算机视觉与模式识别 · 计算机科学 2021-08-12 Mohammad Rasool Izadi

Credit rating is an analysis of the credit risks associated with a corporation, which reflects the level of the riskiness and reliability in investing, and plays a vital role in financial risk. There have emerged many studies that implement…

机器学习 · 计算机科学 2020-12-04 Bojing Feng , Haonan Xu , Wenfang Xue , Bindang Xue

Stock return predictability is an important research theme as it reflects our economic and social organization, and significant efforts are made to explain the dynamism therein. Statistics of strong explanative power, called "factor" have…

统计金融 · 定量金融 2020-11-26 Kei Nakagawa , Masaya Abe , Junpei Komiyama

The detection of frauds in credit card transactions is a major topic in financial research, of profound economic implications. While this has hitherto been tackled through data analysis techniques, the resemblances between this and other…

社会与信息网络 · 计算机科学 2017-06-08 Massimiliano Zanin , Miguel Romance , Santiago Moral , Regino Criado

Accurate and fast recognition of forgeries is an issue of great importance in the fields of artificial intelligence, image processing and object detection. Recognition of forgeries of facial imagery is the process of classifying and…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Günel Jabbarlı , Murat Kurt

Fraud detection aims to discover fraudsters deceiving other users by, for example, leaving fake reviews or making abnormal transactions. Graph-based fraud detection methods consider this task as a classification problem with two classes:…

机器学习 · 计算机科学 2024-01-04 Heehyeon Kim , Jinhyeok Choi , Joyce Jiyoung Whang

Graph Neural Networks (GNNs) are powerful machine learning prediction models on graph-structured data. However, GNNs lack rigorous uncertainty estimates, limiting their reliable deployment in settings where the cost of errors is…

机器学习 · 计算机科学 2023-11-01 Kexin Huang , Ying Jin , Emmanuel Candès , Jure Leskovec

The detection of fraud in accounting data is a long-standing challenge in financial statement audits. Nowadays, the majority of applied techniques refer to handcrafted rules derived from known fraud scenarios. While fairly successful, these…

机器学习 · 计算机科学 2019-08-05 Marco Schreyer , Timur Sattarov , Christian Schulze , Bernd Reimer , Damian Borth

Corporate insolvency can have a devastating effect on the economy. With an increasing number of companies making expansion overseas to capitalize on foreign resources, a multinational corporate bankruptcy can disrupt the world's financial…

统计金融 · 定量金融 2018-02-16 Jacky C. K. Chow

Graph neural networks (GNN) have emerged as a powerful tool for fraud detection tasks, where fraudulent nodes are identified by aggregating neighbor information via different relations. To get around such detection, crafty fraudsters resort…

机器学习 · 计算机科学 2022-02-22 Yajing Liu , Zhengya Sun , Wensheng Zhang

Due to the popularity of the Internet and smart mobile devices, more and more financial transactions and activities have been digitalized. Compared to traditional financial fraud detection strategies using credit-related features, customers…

机器学习 · 计算机科学 2018-08-17 Ruinan Zhang , Fanglan Zheng , Wei Min

Cyber-crimes have become a multi-billion-dollar industry in the recent years. Most cybercrimes/attacks involve deploying some type of malware. Malware that viciously targets every industry, every sector, every enterprise and even…

密码学与安全 · 计算机科学 2023-01-27 Marwan Omar

Objective: To develop an effective and scalable individual-level patient cost prediction method by automatically learning hidden temporal patterns from multivariate time series data in patient insurance claims using a convolutional neural…

机器学习 · 计算机科学 2020-09-16 Mohammad Amin Morid , Olivia R. Liu Sheng , Kensaku Kawamoto , Samir Abdelrahman