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Differential privacy (DP) is a widely-accepted and widely-applied notion of privacy based on worst-case analysis. Often, DP classifies most mechanisms without additive noise as non-private (Dwork et al., 2014). Thus, additive noises are…

密码学与安全 · 计算机科学 2023-12-14 Ao Liu , Yu-Xiang Wang , Lirong Xia

The rapid development of large language models (LLMs) has yielded impressive success in various downstream tasks. However, the vast potential and remarkable capabilities of LLMs also raise new security and privacy concerns if they are…

密码学与安全 · 计算机科学 2024-10-11 Jiawei Zhao , Kejiang Chen , Xiaojian Yuan , Yuang Qi , Weiming Zhang , Nenghai Yu

In the recent decades, the advance of information technology and abundant personal data facilitate the application of algorithmic personalized pricing. However, this leads to the growing concern of potential violation of privacy due to…

机器学习 · 统计学 2021-09-13 Xi Chen , Sentao Miao , Yining Wang

How can agents exchange information to learn while protecting privacy? Healthcare centers collaborating on clinical trials must balance knowledge sharing with safeguarding sensitive patient data. We address this challenge by using…

机器学习 · 计算机科学 2025-03-19 Marios Papachristou , M. Amin Rahimian

Substantial quantity and high quality are the golden rules of making a good training dataset with sample privacy protection equally important. Generating synthetic samples that resemble high-quality private data while ensuring Differential…

机器学习 · 计算机科学 2025-02-04 Tianyuan Zou , Yang Liu , Peng Li , Yufei Xiong , Jianqing Zhang , Jingjing Liu , Xiaozhou Ye , Ye Ouyang , Ya-Qin Zhang

Differential privacy (DP) has become the gold standard for privacy-preserving data analysis, but implementing it correctly has proven challenging. Prior work has focused on verifying DP at a high level, assuming the foundations are correct…

Designing privacy-preserving machine learning algorithms has received great attention in recent years, especially in the setting when the data contains sensitive information. Differential privacy (DP) is a widely used mechanism for data…

机器学习 · 计算机科学 2025-09-11 Chunyang Liao , Deanna Needell , Hayden Schaeffer , Alexander Xue

Personalization in Information Retrieval (IR) is a topic studied by the research community since a long time. However, there is still a lack of datasets to conduct large-scale evaluations of personalized IR; this is mainly due to the fact…

信息检索 · 计算机科学 2024-10-30 Marco Braga , Pranav Kasela , Alessandro Raganato , Gabriella Pasi

Modern Integrated Development Environments (IDEs) increasingly leverage Large Language Models (LLMs) to provide advanced features like code autocomplete. While powerful, training these models on user-written code introduces significant…

密码学与安全 · 计算机科学 2026-02-02 Evgeny Grigorenko , David Stanojević , David Ilić , Egor Bogomolov , Kostadin Cvejoski

Programmatically generated synthetic data has been used in differential private training for classification to enhance performance without privacy leakage. However, as the synthetic data is generated from a random process, the distribution…

机器学习 · 计算机科学 2024-12-16 Yujin Choi , Jinseong Park , Junyoung Byun , Jaewook Lee

Differential privacy has become the standard for private data analysis, and an extensive literature now offers differentially private solutions to a wide variety of problems. However, translating these solutions into practical systems often…

密码学与安全 · 计算机科学 2022-01-28 Kareem Amin , Jennifer Gillenwater , Matthew Joseph , Alex Kulesza , Sergei Vassilvitskii

Differential privacy has become a de facto standard for releasing data in a privacy-preserving way. Creating a differentially private algorithm is a process that often starts with a noise-free (non-private) algorithm. The designer then…

密码学与安全 · 计算机科学 2021-09-16 Yuxin Wang , Zeyu Ding , Yingtai Xiao , Daniel Kifer , Danfeng Zhang

Privacy-preserving releasing of complex data (e.g., image, text, audio) represents a long-standing challenge for the data mining research community. Due to rich semantics of the data and lack of a priori knowledge about the analysis task,…

密码学与安全 · 计算机科学 2018-03-28 Xinyang Zhang , Shouling Ji , Ting Wang

Machine learning models should not reveal particular information that is not otherwise accessible. Differential privacy provides a formal framework to mitigate privacy risks by ensuring that the inclusion or exclusion of any single data…

密码学与安全 · 计算机科学 2026-03-12 Francisco Aguilera-Martínez , Fernando Berzal

Generating high-quality synthetic text under differential privacy (DP) is critical for training and evaluating language models without compromising user privacy. Prior work on synthesizing DP datasets often fail to preserve key statistical…

机器学习 · 计算机科学 2026-05-05 Yuzheng Hu , Ryan McKenna , Da Yu , Shanshan Wu , Han Zhao , Zheng Xu , Peter Kairouz

Differentially private (DP) synthetic data sets are a solution for sharing data while preserving the privacy of individual data providers. Understanding the effects of utilizing DP synthetic data in end-to-end machine learning pipelines…

Dataset distillation (DD) compresses large datasets into smaller ones while preserving the performance of models trained on them. Although DD is often assumed to enhance data privacy by aggregating over individual examples, recent studies…

密码学与安全 · 计算机科学 2025-11-14 Shuo Shi , Jinghuai Zhang , Shijie Jiang , Chunyi Zhou , Yuyuan Li , Mengying Zhu , Yangyang Wu , Tianyu Du

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…

机器学习 · 计算机科学 2020-11-12 Lucas Rosenblatt , Xiaoyan Liu , Samira Pouyanfar , Eduardo de Leon , Anuj Desai , Joshua Allen

Aligning Large Language Models (LLMs) with human values and away from undesirable behaviors (such as hallucination) has become increasingly important. Recently, steering LLMs towards a desired behavior via activation editing has emerged as…

计算与语言 · 计算机科学 2025-03-21 Anmol Goel , Yaxi Hu , Iryna Gurevych , Amartya Sanyal

Private and public organizations regularly collect and analyze digitalized data about their associates, volunteers, clients, etc. However, because most personal data are sensitive, there is a key challenge in designing privacy-preserving…

密码学与安全 · 计算机科学 2022-04-05 Héber H. Arcolezi