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Many applications of machine learning, such as human health research, involve processing private or sensitive information. Privacy concerns may impose significant hurdles to collaboration in scenarios where there are multiple sites holding…

机器学习 · 计算机科学 2021-02-24 Hafiz Imtiaz , Jafar Mohammadi , Anand D. Sarwate

A growing framework of legal and ethical requirements limit scientific and commercial evalua-tion of personal data. Typically, pseudonymization, encryption, or methods of distributed com-puting try to protect individual privacy. However,…

密码学与安全 · 计算机科学 2018-11-21 Nikolaus von Bomhard , Bernd Ahlborn , Catherine Mason , Ulrich Mansmann

We consider the problem of optimal budget allocation for crowdsourcing problems, allocating users to tasks to maximize our final confidence in the crowdsourced answers. Such an optimized worker assignment method allows us to boost the…

机器学习 · 计算机科学 2017-02-28 Angela Zhou , Irineo Cabreros , Karan Singh

A common privacy issue in traditional machine learning is that data needs to be disclosed for the training procedures. In situations with highly sensitive data such as healthcare records, accessing this information is challenging and often…

密码学与安全 · 计算机科学 2021-03-31 Pavlos Papadopoulos , Will Abramson , Adam J. Hall , Nikolaos Pitropakis , William J. Buchanan

Clustering problems (such as $k$-means and $k$-median) are fundamental unsupervised machine learning primitives, and streaming clustering algorithms have been extensively studied in the past. However, since data privacy becomes a central…

数据结构与算法 · 计算机科学 2025-10-03 Alessandro Epasto , Tamalika Mukherjee , Peilin Zhong

In this paper, the problem of providing privacy to users requesting data over a network from a distributed storage system (DSS) is considered. The DSS, which is considered as the multi-terminal destination of the network from the user's…

信息论 · 计算机科学 2019-06-24 Razane Tajeddine , Antonia Wachter-Zeh , Camilla Hollanti

In this letter, we delve into a scenario where a user aims to compute polynomial functions using their own data as well as data obtained from distributed sources. To accomplish this, the user enlists the assistance of $N$ distributed…

密码学与安全 · 计算机科学 2023-09-19 Zhiquan Tan , Dingli Yuan , Zhongyi Huang

Feature selection is a technique that extracts a meaningful subset from a set of features in training data. When the training data is large-scale, appropriate feature selection enables the removal of redundant features, which can improve…

密码学与安全 · 计算机科学 2025-05-20 Koki Wakiyama , Tomohiro I , Hiroshi Sakamoto

Preserving privacy in contemporary NLP models allows us to work with sensitive data, but unfortunately comes at a price. We know that stricter privacy guarantees in differentially-private stochastic gradient descent (DP-SGD) generally…

计算与语言 · 计算机科学 2023-02-01 Manuel Senge , Timour Igamberdiev , Ivan Habernal

Personalized learning is a proposed approach to address the problem of data heterogeneity in collaborative machine learning. In a decentralized setting, the two main challenges of personalization are client clustering and data privacy. In…

机器学习 · 计算机科学 2024-06-03 Mohammad Mahdi Maheri , Sandra Siby , Sina Abdollahi , Anastasia Borovykh , Hamed Haddadi

Crowdsourcing and human computation has been employed in increasingly sophisticated projects that require the solution of a heterogeneous set of tasks. We explore the challenge of building or hiring an effective team, for performing tasks…

人机交互 · 计算机科学 2015-08-14 Adish Singla , Eric Horvitz , Pushmeet Kohli , Andreas Krause

We investigate the problem of privacy preserving distributed matrix multiplication in edge networks using multi-party computation (MPC). Coded multi-party computation (CMPC) is an emerging approach to reduce the required number of workers…

信息论 · 计算机科学 2022-03-16 Elahe Vedadi , Yasaman Keshtkarjahromi , Hulya Seferoglu

The massive collection of personal data by personalization systems has rendered the preservation of privacy of individuals more and more difficult. Most of the proposed approaches to preserve privacy in personalization systems usually…

密码学与安全 · 计算机科学 2015-04-28 Mohammad Alaggan , Sébastien Gambs , Anne-Marie Kermarrec

When working with user data providing well-defined privacy guarantees is paramount. In this work, we aim to manipulate and share an entire sparse dataset with a third party privately. In fact, differential privacy has emerged as the gold…

密码学与安全 · 计算机科学 2024-05-16 Alessandro Epasto , Hossein Esfandiari , Vahab Mirrokni , Andres Munoz Medina

Decentralized optimization is gaining increased traction due to its widespread applications in large-scale machine learning and multi-agent systems. The same mechanism that enables its success, i.e., information sharing among participating…

最优化与控制 · 数学 2024-02-07 Yongqiang Wang , Angelia Nedic

This work considers computationally efficient privacy-preserving data release. We study the task of analyzing a database containing sensitive information about individual participants. Given a set of statistical queries on the data, we want…

计算复杂性 · 计算机科学 2011-07-14 Moritz Hardt , Guy N. Rothblum , Rocco A. Servedio

Differential privacy (DP) is a compelling privacy definition that explains the privacy-utility tradeoff via formal, provable guarantees. Inspired by recent progress toward general-purpose data release algorithms, we propose a private…

数据结构与算法 · 计算机科学 2020-06-17 Benjamin Coleman , Anshumali Shrivastava

The problem of providing privacy, in the private information retrieval (PIR) sense, to users requesting data from a distributed storage system (DSS), is considered. The DSS is coded by an $(n,k,d)$ Maximum Distance Separable (MDS) code to…

信息论 · 计算机科学 2018-03-16 Razan Tajeddine , Oliver W. Gnilke , Salim El Rouayheb

With the proliferation of training data, distributed machine learning (DML) is becoming more competent for large-scale learning tasks. However, privacy concerns have to be given priority in DML, since training data may contain sensitive…

机器学习 · 计算机科学 2020-08-26 Xin Wang , Hideaki Ishii , Linkang Du , Peng Cheng , Jiming Chen

Modern multi-layer networks are commonly stored and analyzed in a local and distributed fashion because of the privacy, ownership, and communication costs. The literature on the model-based statistical methods for community detection based…

社会与信息网络 · 计算机科学 2024-10-22 Xiao Guo , Xiang Li , Xiangyu Chang , Shujie Ma