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Confidential Computing enhances privacy of data in-use through hardware-based Trusted Execution Environments (TEEs) that use attestation to verify their integrity, authenticity, and certain runtime properties, along with those of the…

Probabilistic matrix factorization (PMF) plays a crucial role in recommendation systems. It requires a large amount of user data (such as user shopping records and movie ratings) to predict personal preferences, and thereby provides users…

密码学与安全 · 计算机科学 2018-10-22 Shun Zhang , Laixiang Liu , Zhili Chen , Hong Zhong

Personal photos of individuals when shared online, apart from exhibiting a myriad of memorable details, also reveals a wide range of private information and potentially entails privacy risks (e.g., online harassment, tracking). To mitigate…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Hui-Po Wang , Tribhuvanesh Orekondy , Mario Fritz

Federated recommendation (FR) is a promising paradigm to protect user privacy in recommender systems. Distinct from general federated scenarios, FR inherently needs to preserve client-specific parameters, i.e., user embeddings, for privacy…

密码学与安全 · 计算机科学 2025-06-12 Jundong Chen , Honglei Zhang , Haoxuan Li , Chunxu Zhang , Zhiwei Li , Yidong Li

Recommender Systems (RSs) are exploited by various business enterprises to suggest their products (items) to consumers (users). Collaborative filtering (CF) is a widely used variant of RSs which learns hidden patterns from user-item…

信息检索 · 计算机科学 2026-03-17 Nikita Baidya , Bidyut Kr. Patra , Ratnakar Dash

In this paper, we propose a cooperative approach to improve the security of both primary and secondary systems in cognitive radio multicast communications. During their access to the frequency spectrum licensed to the primary users, the…

Recommender systems have become a pervasive part of our daily online experience, and are one of the most widely used applications of artificial intelligence and machine learning. Therefore, regulations and requirements for trustworthy…

信息检索 · 计算机科学 2024-07-01 Dominik Kowald

Online Social Networks (OSNs) have become one of the most important activities on the Internet, such as Facebook and Google+. However, security and privacy have become major concerns in existing C/S based OSNs. In this paper, we propose a…

密码学与安全 · 计算机科学 2017-06-06 Ruihui Zhao , Mingjie Ding , Keiichi Koyanagi , Yuanliang Sun , Liang Zhou

Recommender System (RS) is currently an effective way to solve information overload. To meet users' next click behavior, RS needs to collect users' personal information and behavior to achieve a comprehensive and profound user preference…

信息检索 · 计算机科学 2022-06-29 Jiangcheng Qin , Baisong Liu

How to make the best decision between the opinions and tastes of your friends and acquaintances? Therefore, recommender systems are used to solve such issues. The common algorithms use a similarity measure to predict active users' tastes…

信息检索 · 计算机科学 2019-08-16 Mostafa Khalaji , Nilufar Mohammadnejad

Recommender systems have become an integral part of many social networks and extract knowledge from a user's personal and sensitive data both explicitly, with the user's knowledge, and implicitly. This trend has created major privacy…

密码学与安全 · 计算机科学 2018-06-21 Erfan Aghasian , Saurabh Garg , James Montgomery

Using a broadcast channel to transmit clients' data requests may impose privacy risks. In this paper, we address such privacy concerns in the index coding framework. We show how a malicious client can infer some information about the…

信息论 · 计算机科学 2018-10-16 Mohammed Karmoose , Linqi Song , Martina Cardone , Christina Fragouli

With an increasing focus on data privacy, there have been pilot studies on recommender systems in a federated learning (FL) framework, where multiple parties collaboratively train a model without sharing their data. Most of these studies…

信息检索 · 计算机科学 2023-05-09 Peihua Mai , Yan Pang

Collaborative inference among multiple wireless edge devices has the potential to significantly enhance Artificial Intelligence (AI) applications, particularly for sensing and computer vision. This approach typically involves a three-stage…

密码学与安全 · 计算机科学 2024-10-29 Mohamed Seif , Yuqi Nie , Andrea J. Goldsmith , H. Vincent Poor

Recommender systems are a subset of information filtering systems designed to predict and suggest items that users may find interesting or relevant based on their preferences, behaviors, or interactions. By analyzing user data such as past…

信息检索 · 计算机科学 2024-10-01 Mahamudul Hasan

Secure multi-party computation (MPC) facilitates privacy-preserving computation between multiple parties without leaking private information. While most secure deep learning techniques utilize MPC operations to achieve feasible…

密码学与安全 · 计算机科学 2024-07-30 Ke Lin , Yasir Glani , Ping Luo

Facial recognition technologies are implemented in many areas, including but not limited to, citizen surveillance, crime control, activity monitoring, and facial expression evaluation. However, processing biometric information is a…

密码学与安全 · 计算机科学 2020-07-07 M. A. P. Chamikara , P. Bertok , I. Khalil , D. Liu , S. Camtepe

Ensuring privacy during inference stage is crucial to prevent malicious third parties from reconstructing users' private inputs from outputs of public models. Despite a large body of literature on privacy preserving learning (which ensures…

密码学与安全 · 计算机科学 2024-12-02 Fengwei Tian , Ravi Tandon

The emergence of cloud computing provides a new computing paradigm for users -- massive and complex computing tasks can be outsourced to cloud servers. However, the privacy issues also follow. Fully homomorphic encryption shows great…

密码学与安全 · 计算机科学 2021-04-01 Lizhi Xiong , Wenhao Zhou , Zhihua Xia , Qi Gu , Jian Weng

The growth of Internet commerce has stimulated the use of collaborative filtering (CF) algorithms as recommender systems. A collaborative filtering (CF) algorithm recommends items of interest to the target user by leveraging the votes given…

信息检索 · 计算机科学 2018-05-09 Xu He , Bin Liu , Ke-Jia Chen