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Synthetic datasets have long been thought of as second-rate, to be used only when "real" data collected directly from the real world is unavailable. But this perspective assumes that raw data is clean, unbiased, and trustworthy, which it…

Databases · Computer Science 2019-05-07 Luke Rodriguez , Bill Howe

In this paper, we propose generating artificial data that retain statistical properties of real data as the means of providing privacy with respect to the original dataset. We use generative adversarial network to draw privacy-preserving…

Machine Learning · Computer Science 2019-04-30 Aleksei Triastcyn , Boi Faltings

Synthetic datasets are often presented as a silver-bullet solution to the problem of privacy-preserving data publishing. However, for many applications, synthetic data has been shown to have limited utility when used to train predictive…

Big data analysis poses the dual problem of privacy preservation and utility, i.e., how accurate data analyses remain after transforming original data in order to protect the privacy of the individuals that the data is about - and whether…

Machine Learning · Computer Science 2022-11-29 Md Sakib Nizam Khan , Niklas Reje , Sonja Buchegger

The increasing use of synthetic data generated by Large Language Models (LLMs) presents both opportunities and challenges in data-driven applications. While synthetic data provides a cost-effective, scalable alternative to real-world data…

Computation and Language · Computer Science 2025-07-25 Tevin Atwal , Chan Nam Tieu , Yefeng Yuan , Zhan Shi , Yuhong Liu , Liang Cheng

Protecting user data privacy can be achieved via many methods, from statistical transformations to generative models. However, all of them have critical drawbacks. For example, creating a transformed data set using traditional techniques is…

Machine Learning · Computer Science 2024-04-24 Tânia Carvalho , Nuno Moniz , Luís Antunes , Nitesh Chawla

A common goal of privacy research is to release synthetic data that satisfies a formal privacy guarantee and can be used by an analyst in place of the original data. To achieve reasonable accuracy, a synthetic data set must be tuned to…

Databases · Computer Science 2015-03-20 Chao Li , Gerome Miklau

Synthetic Data Generation (SDG) can be used to facilitate privacy-preserving data sharing. However, most existing research focuses on privacy attacks where the adversary is the recipient of the released synthetic data and attempts to infer…

Cryptography and Security · Computer Science 2026-05-21 Qinyi Liu , Dong Liu , Sam Urmian , Mohammad Khalil , Pedro P. Vergara Barrios

Generating synthetic data through generative models is gaining interest in the ML community and beyond. In the past, synthetic data was often regarded as a means to private data release, but a surge of recent papers explore how its…

Machine Learning · Computer Science 2023-04-10 Boris van Breugel , Mihaela van der Schaar

Synthetic data generation is a powerful tool for privacy protection when considering public release of record-level data files. Initially proposed about three decades ago, it has generated significant research and application interest. To…

Methodology · Statistics 2023-08-03 Jingchen Hu , Claire McKay Bowen

Many ground-breaking advancements in machine learning can be attributed to the availability of a large volume of rich data. Unfortunately, many large-scale datasets are highly sensitive, such as healthcare data, and are not widely available…

Machine Learning · Computer Science 2020-12-09 James Jordon , Alan Wilson , Mihaela van der Schaar

Synthetic data is a promising approach to privacy protection in many contexts. A Bayesian synthesis model, also known as a synthesizer, simulates synthetic values of sensitive variables from their posterior predictive distributions. The…

Methodology · Statistics 2021-03-18 Ryan Hornby , Jingchen Hu

Machine learning practitioners frequently seek to leverage the most informative available data, without violating the data owner's privacy, when building predictive models. Differentially private data synthesis protects personal details…

Machine Learning · Computer Science 2020-11-12 Lucas Rosenblatt , Xiaoyan Liu , Samira Pouyanfar , Eduardo de Leon , Anuj Desai , Joshua Allen

Privacy poses a significant obstacle to the progress of learning analytics (LA), presenting challenges like inadequate anonymization and data misuse that current solutions struggle to address. Synthetic data emerges as a potential remedy,…

Cryptography and Security · Computer Science 2024-01-17 Qinyi Liu , Mohammad Khalil , Ronas Shakya , Jelena Jovanovic

Despite several works that succeed in generating synthetic data with differential privacy (DP) guarantees, they are inadequate for generating high-quality synthetic data when the input data has missing values. In this work, we formalize the…

Databases · Computer Science 2025-11-06 Shubhankar Mohapatra , Jianqiao Zong , Florian Kerschbaum , Xi He

Benchmarking unsupervised outlier detection is difficult. Outliers are rare, and existing benchmark data contains outliers with various and unknown characteristics. Fully synthetic data usually consists of outliers and regular instance with…

Machine Learning · Computer Science 2021-05-07 Georg Steinbuss , Klemens Böhm

Privacy concerns have attracted increasing attention in data-driven products due to the tendency of machine learning models to memorize sensitive training data. Generating synthetic versions of such data with a formal privacy guarantee,…

Computation and Language · Computer Science 2023-07-19 Xiang Yue , Huseyin A. Inan , Xuechen Li , Girish Kumar , Julia McAnallen , Hoda Shajari , Huan Sun , David Levitan , Robert Sim

We propose a method for the release of differentially private synthetic datasets. In many contexts, data contain sensitive values which cannot be released in their original form in order to protect individuals' privacy. Synthetic data is a…

Methodology · Statistics 2018-05-25 Joshua Snoke , Aleksandra Slavković

Privacy-preserving synthetic data offers a promising solution to harness segregated data in high-stakes domains where information is compartmentalized for regulatory, privacy, or institutional reasons. This survey provides a comprehensive…

Cryptography and Security · Computer Science 2025-03-28 Viktor Schlegel , Anil A Bharath , Zilong Zhao , Kevin Yee

Data privacy is a core tenet of responsible computing, and in the United States, differential privacy (DP) is the dominant technical operationalization of privacy-preserving data analysis. With this study, we qualitatively examine one class…

Human-Computer Interaction · Computer Science 2024-12-18 Lucas Rosenblatt , Bill Howe , Julia Stoyanovich