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Privacy protection has become an increasingly pressing requirement in distributed optimization. However, equipping distributed optimization with differential privacy, the state-of-the-art privacy protection mechanism, will unavoidably…

最优化与控制 · 数学 2023-04-28 Yu Xuan , Yongqiang Wang

Recent advances in generative image editing have enabled transformative applications, from professional head shot generation to avatar stylization. However, these systems often require uploading high-fidelity facial images to third-party…

密码学与安全 · 计算机科学 2026-03-05 Dipesh Tamboli , Vineet Punyamoorty , Atharv Pawar , Vaneet Aggarwal

The development of artificial intelligence has significantly transformed people's lives. However, it has also posed a significant threat to privacy and security, with numerous instances of personal information being exposed online and…

密码学与安全 · 计算机科学 2024-02-28 Le Yang , Miao Tian , Duan Xin , Qishuo Cheng , Jiajian Zheng

The eruption of big data with the increasing collection and processing of vast volumes and variety of data have led to breakthrough discoveries and innovation in science, engineering, medicine, commerce, criminal justice, and national…

密码学与安全 · 计算机科学 2020-07-03 Fang Liu

The preservation of privacy has emerged as a critical topic in the era of artificial intelligence. However, current work focuses on user-oriented privacy, overlooking severe enterprise data leakage risks exacerbated by the…

密码学与安全 · 计算机科学 2025-08-11 Zhihao Yao , Yuxuan Gu , Xiachong Feng , Weitao Ma , Bo Li , Xiaocheng Feng

Privacy protection and nonconvexity are two challenging problems in decentralized optimization and learning involving sensitive data. Despite some recent advances addressing each of the two problems separately, no results have been reported…

最优化与控制 · 数学 2022-12-16 Yongqiang Wang , Tamer Basar

Privacy-preserving data splitting is a technique that aims to protect data privacy by storing different fragments of data in different locations. In this work we give a new combinatorial formulation to the data splitting problem. We see the…

密码学与安全 · 计算机科学 2018-01-19 Oriol Farràs , Jordi Ribes-González , Sara Ricci

The rise of connected personal devices together with privacy concerns call for machine learning algorithms capable of leveraging the data of a large number of agents to learn personalized models under strong privacy requirements. In this…

机器学习 · 计算机科学 2018-02-20 Aurélien Bellet , Rachid Guerraoui , Mahsa Taziki , Marc Tommasi

We propose a practical methodology to protect a user's private data, when he wishes to publicly release data that is correlated with his private data, in the hope of getting some utility. Our approach relies on a general statistical…

Big data applications offer smart solutions to many urgent societal challenges, such as health care, traffic coordination, energy management, etc. The basic premise for these applications is "the more data the better". The focus often lies…

分布式、并行与集群计算 · 计算机科学 2022-11-01 Thomas Plagemann , Vera Goebel , Matthias Hollick , Boris Koldehofe

Coded computing is one of the techniques that can be used for privacy protection in Federated Learning. However, most of the constructions used for coded computing work only under the assumption that the computations involved are exact,…

Recent advances in data collection and computational statistics coupled with increases in computer processing power, along with the plunging costs of storage are making technologies to effectively analyze large sets of heterogeneous data…

密码学与安全 · 计算机科学 2015-02-04 Hervais Simo Fhom

With the advent of big data, periodic pattern mining has demonstrated significant value in real-world applications, including smart home systems, healthcare systems, and the medical field. However, advances in network technology have…

数据库 · 计算机科学 2025-09-22 Qingfeng Zhou , Wensheng Gan , Zhenlian Qi , Philip S. Yu

This paper studies how a system operator and a set of agents securely execute a distributed projected gradient-based algorithm. In particular, each participant holds a set of problem coefficients and/or states whose values are private to…

密码学与安全 · 计算机科学 2018-05-24 Yang Lu , Minghui Zhu

In statistical learning and analysis from shared data, which is increasingly widely adopted in platforms such as federated learning and meta-learning, there are two major concerns: privacy and robustness. Each participating individual…

机器学习 · 计算机科学 2021-11-25 Xiyang Liu , Weihao Kong , Sham Kakade , Sewoong Oh

Many resource allocation problems can be formulated as an optimization problem whose constraints contain sensitive information about participating users. This paper concerns solving this kind of optimization problem in a distributed manner…

最优化与控制 · 数学 2016-11-17 Shuo Han , Ufuk Topcu , George J. Pappas

Data mining is the way toward mining fascinating patterns or information from an enormous level of the database. Data mining additionally opens another risk to privacy and data security.One of the maximum significant themes in the research…

密码学与安全 · 计算机科学 2023-05-01 Dhinakaran D , Joe Prathap P. M

Data mining services require accurate input data for their results to be meaningful, but privacy concerns may influence users to provide spurious information. To encourage users to provide correct inputs, we recently proposed a data…

数据库 · 计算机科学 2011-11-09 Shipra Agrawal , Vijay Krishnan , Jayant Haritsa

As a prevailing collaborative filtering method for recommendation systems, one-bit matrix completion requires data collected by users to provide personalized service. Due to insidious attacks and unexpected inference, the release of users'…

密码学与安全 · 计算机科学 2022-06-09 Zhengpin Li , Zheng Wei , Zengfeng Huang , Xiaojun Mao , Jian Wang

Local differential privacy (LDP) can provide each user with strong privacy guarantees under untrusted data curators while ensuring accurate statistics derived from privatized data. Due to its powerfulness, LDP has been widely adopted to…

密码学与安全 · 计算机科学 2019-06-06 Teng Wang , Jun Zhao , Xinyu Yang , Xuebin Ren