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Data providers such as government statistical agencies perform a balancing act: maximising information published to inform decision-making and research, while simultaneously protecting privacy. The emergence of identified administrative…

Cryptography and Security · Computer Science 2020-08-10 Felix Ritchie , Jim Smith

Financial institutions face tension between maximizing data utility and mitigating the re-identification risks inherent in traditional anonymization methods. This paper explores Differentially Private (DP) synthetic data as a robust…

Computational Engineering, Finance, and Science · Computer Science 2026-04-17 Ifayoyinsola Ibikunle , Tyler Farnan , Senthil Kumar , Mayana Pereira

Testing in production-like test environments is an essential part of quality assurance processes in many industries. Provisioning of such test environments, for information-intensive services, involves setting up databases that are…

Software Engineering · Computer Science 2024-07-09 Razieh Behjati , Erik Arisholm , Chao Tan , Margrethe M. Bedregal

Increasing interest in privacy-preserving machine learning has led to new and evolved approaches for generating private synthetic data from undisclosed real data. However, mechanisms of privacy preservation can significantly reduce the…

Machine Learning · Statistics 2022-05-23 Sahra Ghalebikesabi , Harrison Wilde , Jack Jewson , Arnaud Doucet , Sebastian Vollmer , Chris Holmes

The unavailability of training data is a permanent source of much frustration in research, especially when it is due to privacy concerns. This is particularly true for location data since previous techniques all suffer from the inherent…

Cryptography and Security · Computer Science 2022-03-15 Szilvia Lestyán , Gergely Ács , Gergely Biczók

When machine learning models are trained on synthetic data and then deployed on real data, there is often a performance drop due to the distribution shift between synthetic and real data. In this paper, we introduce a new ensemble strategy…

Cryptography and Security · Computer Science 2023-10-17 Haoyuan Sun , Navid Azizan , Akash Srivastava , Hao Wang

Synthetic data generation has emerged as a promising approach to address the challenges of using sensitive financial data in machine learning applications. By leveraging generative models, such as Generative Adversarial Networks (GANs) and…

Machine Learning · Computer Science 2025-10-31 James Meldrum , Basem Suleiman , Fethi Rabhi , Muhammad Johan Alibasa

This paper demonstrates the potential of statistical disclosure control for protecting the data used to train recommender systems. Specifically, we use a synthetic data generation approach to hide specific information in the user-item…

Information Retrieval · Computer Science 2020-08-11 Manel Slokom , Martha Larson , Alan Hanjalic

Differential privacy (DP) data synthesizers support public release of sensitive information, offering theoretical guarantees for privacy but limited evidence of utility in practical settings. Utility is typically measured as the error on…

This paper introduces SynDiffix, a mechanism for generating statistically accurate, anonymous synthetic data for structured data. Recent open source and commercial systems use Generative Adversarial Networks or Transformed Auto Encoders to…

Cryptography and Security · Computer Science 2023-11-17 Paul Francis , Cristian Berneanu , Edon Gashi

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

Local Differential Privacy (LDP) protocols enable an untrusted data collector to perform privacy-preserving data analytics. In particular, each user locally perturbs its data to preserve privacy before sending it to the data collector, who…

Cryptography and Security · Computer Science 2020-12-10 Xiaoyu Cao , Jinyuan Jia , Neil Zhenqiang Gong

Artificial intelligence and data access are already mainstream. One of the main challenges when designing an artificial intelligence or disclosing content from a database is preserving the privacy of individuals who participate in the…

Cryptography and Security · Computer Science 2023-12-13 Clément Pierquin , Bastien Zimmermann , Matthieu Boussard

There is a need for synthetic training and test datasets that replicate statistical distributions of original datasets without compromising their confidentiality. A lot of research has been done in leveraging Generative Adversarial Networks…

Machine Learning · Computer Science 2026-02-06 Laura Plein , Alexi Turcotte , Arina Hallemans , Andreas Zeller

Artificial intelligence (AI) has the potential to transform healthcare, but it requires access to health data. Synthetic data that is generated through machine learning models trained on real data, offers a way to share data while…

Computers and Society · Computer Science 2025-08-13 Vibeke Binz Vallevik , Anne Kjersti C. Befring , Severin Elvatun , Jan Franz Nygaard

Data synthesis is a privacy enhancing technology aiming to produce realistic and timely data when real data is hard to obtain. Utility of synthetic data generators (SDGs) has been investigated through different utility metrics. These…

Databases · Computer Science 2022-12-13 F. K. Dankar , M. K. Ibrahim

The biomedical field is among the sectors most impacted by the increasing regulation of Artificial Intelligence (AI) and data protection legislation, given the sensitivity of patient information. However, the rise of synthetic data…

Machine Learning · Computer Science 2024-04-26 Eric Macias-Fassio , Aythami Morales , Cristina Pruenza , Julian Fierrez

The scarcity of high-quality annotated medical data, particularly in mental health, poses a significant bottleneck for training robust machine learning models. Privacy regulations restrict data sharing, making synthetic data generation a…

Generating new samples from data sets can mitigate extra expensive operations, increased invasive procedures, and mitigate privacy issues. These novel samples that are statistically robust can be used as a temporary and intermediate…

Machine Learning · Computer Science 2022-12-26 David Banh , Alan Huang

Diferentially private (DP) synthetic datasets are a powerful approach for training machine learning models while respecting the privacy of individual data providers. The effect of DP on the fairness of the resulting trained models is not…

Machine Learning · Statistics 2021-06-21 Mayana Pereira , Meghana Kshirsagar , Sumit Mukherjee , Rahul Dodhia , Juan Lavista Ferres