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The difficulty of anonymizing text data hinders the development and deployment of NLP in high-stakes domains that involve private data, such as healthcare and social services. Poorly anonymized sensitive data cannot be easily shared with…

计算与语言 · 计算机科学 2024-10-14 Krithika Ramesh , Nupoor Gandhi , Pulkit Madaan , Lisa Bauer , Charith Peris , Anjalie Field

With the increasing applications of language models, it has become crucial to protect these models from leaking private information. Previous work has attempted to tackle this challenge by training RNN-based language models with…

计算与语言 · 计算机科学 2022-07-19 Weiyan Shi , Aiqi Cui , Evan Li , Ruoxi Jia , Zhou Yu

The need to analyze sensitive data, such as medical records or financial data, has created a critical research challenge in recent years. In this paper, we adopt the framework of differential privacy, and explore mechanisms for generating…

密码学与安全 · 计算机科学 2024-05-09 Nikolija Bojkovic , Po-Ling Loh

The generation of synthetic tabular data that preserves differential privacy is a problem of growing importance. While traditional marginal-based methods have achieved impressive results, recent work has shown that deep learning-based…

机器学习 · 计算机科学 2023-07-21 Rodrigo Castellon , Achintya Gopal , Brian Bloniarz , David Rosenberg

In differential privacy (DP), a challenging problem is to generate synthetic datasets that efficiently capture the useful information in the private data. The synthetic dataset enables any task to be done without privacy concern and…

密码学与安全 · 计算机科学 2021-01-01 Zhikun Zhang , Tianhao Wang , Ninghui Li , Jean Honorio , Michael Backes , Shibo He , Jiming Chen , Yang Zhang

Recent research shows that large language models are susceptible to privacy attacks that infer aspects of the training data. However, it is unclear if simpler generative models, like topic models, share similar vulnerabilities. In this…

密码学与安全 · 计算机科学 2024-09-24 Nico Manzonelli , Wanrong Zhang , Salil Vadhan

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…

密码学与安全 · 计算机科学 2023-12-13 Clément Pierquin , Bastien Zimmermann , Matthieu Boussard

Making evidence based decisions requires data. However for real-world applications, the privacy of data is critical. Using synthetic data which reflects certain statistical properties of the original data preserves the privacy of the…

机器学习 · 计算机科学 2021-05-28 Varun Chandrasekaran , Darren Edge , Somesh Jha , Amit Sharma , Cheng Zhang , Shruti Tople

We study (differentially) private federated learning (FL) of language models. The language models in cross-device FL are relatively small, which can be trained with meaningful formal user-level differential privacy (DP) guarantees when…

机器学习 · 计算机科学 2024-04-16 Boxin Wang , Yibo Jacky Zhang , Yuan Cao , Bo Li , H. Brendan McMahan , Sewoong Oh , Zheng Xu , Manzil Zaheer

Differentially Private (DP) data release is a promising technique to disseminate data without compromising the privacy of data subjects. However the majority of prior work has focused on scenarios where a single party owns all the data. In…

密码学与安全 · 计算机科学 2022-06-22 Ruihan Wu , Xin Yang , Yuanshun Yao , Jiankai Sun , Tianyi Liu , Kilian Q. Weinberger , Chong Wang

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…

As privacy regulations become more stringent and access to real-world data becomes increasingly constrained, synthetic data generation has emerged as a vital solution, especially for tabular datasets, which are central to domains like…

机器学习 · 计算机科学 2025-07-17 Raju Challagundla , Mohsen Dorodchi , Pu Wang , Minwoo Lee

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…

数据库 · 计算机科学 2015-03-20 Chao Li , Gerome Miklau

In statistical disclosure control, the goal of data analysis is twofold: The released information must provide accurate and useful statistics about the underlying population of interest, while minimizing the potential for an individual…

统计方法学 · 统计学 2016-07-15 Jing Lei , Anne-Sophie Charest , Aleksandra Slavkovic , Adam Smith , Stephen Fienberg

Differentially private (DP) tabular data synthesis generates artificial data that preserves the statistical properties of private data while safeguarding individual privacy. The emergence of diverse algorithms in recent years has introduced…

密码学与安全 · 计算机科学 2025-11-19 Kai Chen , Xiaochen Li , Chen Gong , Ryan McKenna , Tianhao Wang

Synthetic data from generative models emerges as the privacy-preserving data sharing solution. Such a synthetic data set shall resemble the original data without revealing identifiable private information. Till date, the prior focus on…

机器学习 · 计算机科学 2025-07-23 Chaoyi Zhu , Jiayi Tang , Juan F. Pérez , Marten van Dijk , Lydia Y. Chen

Differential Privacy (DP) can be applied to raw text by exploiting the spatial arrangement of words in an embedding space. We investigate the implications of such text privatization on Language Models (LMs) and their tendency towards…

计算与语言 · 计算机科学 2024-07-02 Stefan Arnold , Rene Gröbner , Annika Schreiner

Private synthetic data sharing is preferred as it keeps the distribution and nuances of original data compared to summary statistics. The state-of-the-art methods adopt a select-measure-generate paradigm, but measuring large domain…

密码学与安全 · 计算机科学 2023-10-11 Meifan Zhang , Dihang Deng , Lihua Yin

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…

计算与语言 · 计算机科学 2025-07-25 Tevin Atwal , Chan Nam Tieu , Yefeng Yuan , Zhan Shi , Yuhong Liu , Liang Cheng

We consider the problem of fitting a linear model to data held by individuals who are concerned about their privacy. Incentivizing most players to truthfully report their data to the analyst constrains our design to mechanisms that provide…

计算机科学与博弈论 · 计算机科学 2015-06-12 Rachel Cummings , Stratis Ioannidis , Katrina Ligett