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Consider an application sold on an on-line platform, with the app paying a commission fee and, henceforth, offered for sale on the platform. The ability to sell the application depends on its customer ranking. Therefore, developers may have…

理论经济学 · 经济学 2019-05-23 Lihi Dery , Dror Hermel , Artyom Jelnov

Auditing fairness of decision-makers is now in high demand. To respond to this social demand, several fairness auditing tools have been developed. The focus of this study is to raise an awareness of the risk of malicious decision-makers who…

机器学习 · 统计学 2019-12-02 Kazuto Fukuchi , Satoshi Hara , Takanori Maehara

The proliferation of fake news and its propagation on social media has become a major concern due to its ability to create devastating impacts. Different machine learning approaches have been suggested to detect fake news. However, most of…

计算与语言 · 计算机科学 2021-04-14 Junaed Younus Khan , Md. Tawkat Islam Khondaker , Sadia Afroz , Gias Uddin , Anindya Iqbal

Threat actors continue to exploit geopolitical and global public events launch aggressive campaigns propagating disinformation over the Internet. In this paper we extend our prior research in detecting disinformation using psycholinguistic…

密码学与安全 · 计算机科学 2024-05-30 Alex V Mbaziira , Maha F Sabir

With growing credit card transaction volumes, the fraud percentages are also rising, including overhead costs for institutions to combat and compensate victims. The use of machine learning into the financial sector permits more effective…

机器学习 · 计算机科学 2022-08-26 Gayan K. Kulatilleke , Sugandika Samarakoon

Substandard and falsified pharmaceuticals, prevalent in low- and middle-income countries, substantially increase levels of morbidity, mortality and drug resistance. Regulatory agencies combat this problem using post-market surveillance by…

应用统计 · 统计学 2025-02-04 Eugene Wickett , Matthew Plumlee , Karen Smilowitz , Souly Phanouvong , Victor Pribluda

Labeling bias arises during data collection due to resource limitations or unconscious bias, leading to unequal label error rates across subgroups or misrepresentation of subgroup prevalence. Most fairness constraints assume training labels…

机器学习 · 计算机科学 2026-02-24 Frida Jørgensen , Nina Weng , Siavash Bigdeli

Recent studies in recommender systems have managed to achieve significantly improved performance by leveraging reviews for rating prediction. However, despite being extensively studied, these methods still suffer from some limitations.…

信息检索 · 计算机科学 2021-08-19 Kai Zhang , Hao Qian , Qi Liu , Zhiqiang Zhang , Jun Zhou , Jianhui Ma , Enhong Chen

In response to the growing threat of deepfake technology, we introduce BENet, a Cross-Domain Robust Bias Expansion Network. BENet enhances the detection of fake faces by addressing limitations in current detectors related to variations…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Weihua Liu , Jianhua Qiu , Said Boumaraf , Chaochao lin , Pan liyuan , Lin Li , Mohammed Bennamoun , Naoufel Werghi

Standardized datasets and benchmarks have spurred innovations in computer vision, natural language processing, multi-modal and tabular settings. We note that, as compared to other well researched fields, fraud detection has unique…

机器学习 · 计算机科学 2023-09-26 Prince Grover , Julia Xu , Justin Tittelfitz , Anqi Cheng , Zheng Li , Jakub Zablocki , Jianbo Liu , Hao Zhou

In e-commerce, online retailers are usually suffering from professional malicious users (PMUs), who utilize negative reviews and low ratings to their consumed products on purpose to threaten the retailers for illegal profits. Specifically,…

信息检索 · 计算机科学 2022-05-20 Yuanbo Xu , Yongjian Yang , En Wang , Fuzhen Zhuang , Hui Xiong

This study was motivated by the problem of identifying fake documents on the Internet. To explore possible solutions to this problem we introduce a model of a network community in which members submit documents with verifiable content.…

经典分析与常微分方程 · 数学 2018-12-20 Andrei Olifer

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…

网络与互联网体系结构 · 计算机科学 2010-06-15 P. Srinivasulu , J. Ranga Rao , I. Ramesh Babu

Effective peer assessment requires students to be attentive to the deficiencies in the work they rate. Thus, their reviews should identify problems. But what ways are there to check that they do? We attempt to automate the process of…

This work presents the BanglishRev Dataset, the largest e-commerce product review dataset to date for reviews written in Bengali, English, a mixture of both and Banglish, Bengali words written with English alphabets. The dataset comprises…

计算与语言 · 计算机科学 2024-12-19 Mohammad Nazmush Shamael , Sabila Nawshin , Swakkhar Shatabda , Salekul Islam

Card transaction fraud is a growing problem affecting card holders worldwide. Financial institutions increasingly rely upon data-driven methods for developing fraud detection systems, which are able to automatically detect and block…

应用统计 · 统计学 2020-05-07 Sebastiaan Höppner , Bart Baesens , Wouter Verbeke , Tim Verdonck

Online social networks serve as major platforms for disseminating both real and fake news. Many users--intentionally or unintentionally--spread harmful content, misinformation, and rumors in domains such as politics and business.…

社会与信息网络 · 计算机科学 2025-10-17 Mohammad Moradi , Mostafa Haghir Chehreghani

Phishing, a continuously growing cyber threat, aims to obtain innocent users' credentials by deceiving them via presenting fake web pages which mimic their legitimate targets. To date, various attempts have been carried out in order to…

密码学与安全 · 计算机科学 2019-05-21 Firat Coskun Dalgic , Ahmet Selman Bozkir , Murat Aydos

Credit card is one of the most extensive methods of instalment for both online and offline mode of payment for electronic transactions in recent times. credit cards invention has provided significant ease in electronic transactions.…

机器学习 · 计算机科学 2024-09-23 Sourav Verma , Joydip Dhar

The rise of large language models (LLMs) has enabled the generation of highly persuasive spam reviews that closely mimic human writing. These reviews pose significant challenges for existing detection systems and threaten the credibility of…

计算与语言 · 计算机科学 2026-04-21 Xin Liu , Rongwu Xu , Xinyi Jia , Jason Liao , Jiao Sun , Ling Huang , Wei Xu