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The real-world data of power networks is often inaccessible due to privacy and security concerns, highlighting the need for tools to generate realistic synthetic network data. Existing methods leverage geographic tools like OpenStreetMap…

Systems and Control · Electrical Eng. & Systems 2026-02-17 Henrique O. Caetano , Rahul K. Gupta , Marco Aiello , Carlos Dias Maciel

Research on online social networks (OSNs) is often hindered by platform opacity, limited access to data, and ethical constraints. Simulation offer a valuable alternative, but existing frameworks frequently lack realism and explainability.…

Anomaly detection is a classical problem where the aim is to detect anomalous data that do not belong to the normal data distribution. Current state-of-the-art methods for anomaly detection on complex high-dimensional data are based on the…

Machine Learning · Computer Science 2019-04-03 Cuong Phuc Ngo , Amadeus Aristo Winarto , Connie Kou Khor Li , Sojeong Park , Farhan Akram , Hwee Kuan Lee

The advancements in connected and autonomous vehicles in these times demand the availability of tools providing the agents with the capability to be aware and predict their own states and context dynamics. This article presents a novel…

Accurate and automated detection of anomalous samples in a natural image dataset can be accomplished with a probabilistic model for end-to-end modeling of images. Such images have heterogeneous complexity, however, and a probabilistic model…

Machine Learning · Computer Science 2018-09-05 Takashi Matsubara , Kenta Hama , Ryosuke Tachibana , Kuniaki Uehara

Recent advances in generative modelling have led many to see synthetic data as the go-to solution for a range of problems around data access, scarcity, and under-representation. In this paper, we study three prominent use cases: (1) Sharing…

Machine Learning · Computer Science 2026-02-04 Bogdan Kulynych , Theresa Stadler , Jean Louis Raisaro , Carmela Troncoso

This paper presents an improved scheme for the generation and adaption of synthetic images for the training of deep Convolutional Neural Networks(CNNs) to perform the object detection task in smart vending machines. While generating…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Kai Wang , Fuyuan Shi , Wenqi Wang , Yibing Nan , Shiguo Lian

Generative Adversarial Networks (GANs) have recently achieved unprecedented success in photo-realistic image synthesis from low-dimensional random noise. The ability to synthesize high-quality content at a large scale brings potential risks…

Computer Vision and Pattern Recognition · Computer Science 2021-05-28 Celia Cintas , Skyler Speakman , Girmaw Abebe Tadesse , Victor Akinwande , Edward McFowland , Komminist Weldemariam

Generative adversarial networks have been able to generate striking results in various domains. This generation capability can be general while the networks gain deep understanding regarding the data distribution. In many domains, this data…

Machine Learning · Computer Science 2019-09-16 Milad Salem , Shayan Taheri , Jiann Shiun Yuan

Network security is a growing issue, with the evolution of computer systems and expansion of attacks. Biological systems have been inspiring scientists and designs for new adaptive solutions, such as genetic algorithms. In this paper, we…

Networking and Internet Architecture · Computer Science 2014-03-10 Amira Sayed A. Aziz , Ahmad Taher Azar , Aboul Ella Hassanien , Sanaa Al-Ola Hanafy

Random graph models are frequently used as a controllable and versatile data source for experimental campaigns in various research fields. Generating such data-sets at scale is a non-trivial task as it requires design decisions typically…

Data Structures and Algorithms · Computer Science 2020-03-03 Manuel Penschuck , Ulrik Brandes , Michael Hamann , Sebastian Lamm , Ulrich Meyer , Ilya Safro , Peter Sanders , Christian Schulz

Twitter (one example of microblogging) is widely being used by researchers to understand human behavior, specifically how people behave when a significant event occurs and how it changes user microblogging patterns. The changing…

Social and Information Networks · Computer Science 2023-02-02 Usman Anjum , Vladimir Zadorozhny , Prashant Krishnamurthy

The generation of synthetic data is receiving increasing attention from the scientific community, thanks to its ability to solve problems like data scarcity and privacy, and is starting to find applications in air transport. We here tackle…

Machine Learning · Computer Science 2026-01-09 Pau Esteve , Massimiliano Zanin

In the current data driven era, synthetic data, artificially generated data that resembles the characteristics of real world data without containing actual personal information, is gaining prominence. This is due to its potential to…

Machine Learning · Computer Science 2023-09-06 Tshilidzi Marwala , Eleonore Fournier-Tombs , Serge Stinckwich

Dynamic graphs are extensively employed for detecting anomalous behavior in nodes within the Internet of Things (IoT). Graph generative models are often used to address the issue of imbalanced node categories in dynamic graphs.…

Robotics · Computer Science 2024-12-13 Munan Li , Xianshi Su , Runze Ma , Tongbang Jiang , Zijian Li , Tony Q. S. Quek

Industrial anomaly generation is a crucial method for alleviating the data scarcity problem in anomaly detection tasks. Most existing anomaly synthesis methods rely on single-step generation mechanisms, lacking complex reasoning and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Jiaming Su , Tengchao Yang , Ruikang Zhang , Zhengan Yan , Haoyu Sun , Linfeng Zhang

Techniques to deliver privacy-preserving synthetic datasets take a sensitive dataset as input and produce a similar dataset as output while maintaining differential privacy. These approaches have the potential to improve data sharing and…

Databases · Computer Science 2018-08-24 Luke Rodriguez , Bill Howe

In order to navigate safely and reliably in off-road and unstructured environments, robots must detect anomalies that are out-of-distribution (OOD) with respect to the training data. We present an analysis-by-synthesis approach for…

The rapidly growing field of network analytics requires data sets for use in evaluation. Real world data often lack truth and simulated data lack narrative fidelity or statistical generality. This paper presents a novel, mixed-membership,…

Social and Information Networks · Computer Science 2013-09-09 Garrett Bernstein , Kyle O'Brien

Generating high-quality synthetic networks with realistic community structure is vital to effectively evaluate community detection algorithms. In this study, we propose a new synthetic network generator called the Edge-Connected Stochastic…

Social and Information Networks · Computer Science 2025-05-06 The-Anh Vu-Le , Lahari Anne , George Chacko , Tandy Warnow