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Related papers: Noisy Corruption Detection

200 papers

The article reveals the main theoretical approaches to the analysis and study of the phenomenon of corruption. Special attention is paid to the consideration of the index approach to the analysis of corruption.

General Economics · Economics 2021-06-04 Valeri Lipunov , Vladislav Shirshikov , Jonathan Lewis

Graph Neural Networks (GNNs) have shown remarkable capabilities in learning from graph-structured data with various applications such as social analysis and bioinformatics. However, the presence of label noise in real scenarios poses a…

Machine Learning · Computer Science 2026-01-27 Wei Ju , Wei Zhang , Siyu Yi , Zhengyang Mao , Yifan Wang , Jingyang Yuan , Zhiping Xiao , Ziyue Qiao , Ming Zhang

Financial institutions are required by regulation to report suspicious financial transactions related to money laundering. Therefore, they need to constantly monitor vast amounts of incoming and outgoing transactions. A particular challenge…

Machine Learning · Computer Science 2025-08-25 Bruno Deprez , Wei Wei , Wouter Verbeke , Bart Baesens , Kevin Mets , Tim Verdonck

We introduce a set of image transformations that can be used as corruptions to evaluate the robustness of models as well as data augmentation mechanisms for training neural networks. The primary distinction of the proposed transformations…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Oğuzhan Fatih Kar , Teresa Yeo , Andrei Atanov , Amir Zamir

Learning graphs from data automatically has shown encouraging performance on clustering and semisupervised learning tasks. However, real data are often corrupted, which may cause the learned graph to be inexact or unreliable. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-18 Zhao Kang , Haiqi Pan , Steven C. H. Hoi , Zenglin Xu

Recent advances in deep learning methods have enabled researchers to develop and apply algorithms for the analysis and modeling of complex networks. These advances have sparked a surge of interest at the interface between network science…

Money laundering poses severe risks to global financial systems, driving the widespread adoption of machine learning for transaction monitoring. However, progress remains stifled by the lack of realistic benchmarks. Existing…

For many real-world applications, obtaining stable and robust statistical performance is more important than simply achieving state-of-the-art predictive test accuracy, and thus robustness of neural networks is an increasingly important…

Machine Learning · Computer Science 2022-05-24 N. Benjamin Erichson , Soon Hoe Lim , Winnie Xu , Francisco Utrera , Ziang Cao , Michael W. Mahoney

This paper focuses on the consensus averaging problem on graphs under general noisy channels. We study a particular class of distributed consensus algorithms based on damped updates, and using the ordinary differential equation method, we…

Information Theory · Computer Science 2008-05-06 Ram Rajagopal , Martin J. Wainwright

Graph Neural Networks (GNNs) have achieved state-of-the-art performance in node classification tasks but struggle with label noise in real-world data. Existing studies on graph learning with label noise commonly rely on class-dependent…

Machine Learning · Computer Science 2025-06-18 Suyeon Kim , SeongKu Kang , Dongwoo Kim , Jungseul Ok , Hwanjo Yu

We use methods from network science to analyze corruption risk in a large administrative dataset of over 4 million public procurement contracts from European Union member states covering the years 2008-2016. By mapping procurement markets…

General Finance · Quantitative Finance 2019-09-20 Johannes Wachs , Mihály Fazekas , János Kertész

Real-world data is typically a noisy manifestation of a core pattern (schema), and the purpose of data mining algorithms is to uncover that pattern, thereby splitting (i.e. decomposing) the data into schema and noise. We introduce SCHENO, a…

Databases · Computer Science 2025-02-05 Justus Isaiah Hibshman , Adnan Hoq , Tim Weninger

In the surface defect detection, there are some suspicious regions that cannot be uniquely classified as abnormal or normal. The annotating of suspicious regions is easily affected by factors such as workers' emotional fluctuations and…

Computer Vision and Pattern Recognition · Computer Science 2023-01-26 Tongzhi Niu , Bin Li , Kai Li , Yufeng Lin , Yuwei Li , Weifeng Li , Zhenrong Wang

Many complex engineering systems admit bidirectional and linear couplings between their agents. Blind and passive methods to identify such influence pathways/couplings from data are central to many applications. However, dynamically related…

Systems and Control · Electrical Eng. & Systems 2020-09-29 Venkat Ram Subramanian , Deepjyoti Deka , Saurav Talukdar , Andy Lamperski , Murti Salapaka

The use of cryptocurrencies has led to an increase in illicit activities such as money laundering, with traditional rule-based approaches becoming less effective in detecting and preventing such activities. In this paper, we propose a novel…

Machine Learning · Computer Science 2024-10-10 Hrushyang Adloori , Vaishnavi Dasanapu , Abhijith Chandra Mergu

This paper provides a proposed means to estimate parameters of noise corrupted oscillator systems. An application for a submarine combat control systems (CCS) rack is described as exemplary of the method.

Systems and Control · Computer Science 2012-10-11 Francis J. OBrien , Nathan Johnnie , Susan Maloney , Aimee Ross

Diffusion models have emerged from various theoretical and methodological perspectives, each offering unique insights into their underlying principles. In this work, we provide an overview of the most prominent approaches, drawing attention…

Machine Learning · Computer Science 2024-09-04 Solveig Klepper

Synthetic corruptions gathered into a benchmark are frequently used to measure neural network robustness to distribution shifts. However, robustness to synthetic corruption benchmarks is not always predictive of robustness to distribution…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Alfred Laugros , Alice Caplier , Matthieu Ospici

Graph Neural Networks (GNNs) have seen significant success in tasks such as node classification, largely contingent upon the availability of sufficient labeled nodes. Yet, the excessive cost of labeling large-scale graphs led to a focus on…

Machine Learning · Computer Science 2024-02-06 Hongliang Chi , Cong Qi , Suhang Wang , Yao Ma

Corruption, fraud, and unethical activities have emerged as significant obstacles to global economic, political, and social progress. Although many empirical studies have focused on country-level corruption metrics, this study is the first…

General Finance · Quantitative Finance 2023-11-01 Maurizio La Rocca , Tiziana La Rocca , Francesco Fasano , Javier Sanchez-Vidal