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In this paper, we consider a privacy preserving encoding framework for identification applications covering biometrics, physical object security and the Internet of Things (IoT). The proposed framework is based on a sparsifying transform,…

Cryptography and Security · Computer Science 2017-10-02 Behrooz Razeghi , Slava Voloshynovskiy , Dimche Kostadinov , Olga Taran

Social recommendation has shown promising improvements over traditional systems since it leverages social correlation data as an additional input. Most existing work assumes that all data are available to the recommendation platform.…

Machine Learning · Computer Science 2022-02-16 Jamie Cui , Chaochao Chen , Lingjuan Lyu , Carl Yang , Li Wang

Average consensus is key for distributed networks, with applications ranging from network synchronization, distributed information fusion, decentralized control, to load balancing for parallel processors. Existing average consensus…

Systems and Control · Computer Science 2018-12-07 Huan Gao , Yongqiang Wang

Sufficiently strong security and privacy mechanisms are prerequisite to amass the promising benefits of the IoT technology and to incorporate this technology into our daily lives. This paper introduces a novel approach to privacy in…

Networking and Internet Architecture · Computer Science 2018-04-19 Zygmunt J. Haas , Ashkan Yousefpour

In a Public Safety (PS) situation, agents may require critical and personally identifiable information. Therefore, not only does context and location-aware information need to be available, but also the privacy of such information should be…

Cryptography and Security · Computer Science 2016-11-18 Hamidreza Ghafghazi , Amr ElMougy , Hussein T. Mouftah , Carlisle Adams

Pervasive Online Social Networks (POSNs) are the extensions of Online Social Networks (OSNs) which facilitate connectivity irrespective of the domain and properties of users. POSNs have been accumulated with the convergence of a plethora of…

Networking and Internet Architecture · Computer Science 2018-06-21 Takshi Gupta , Gaurav Choudhary , Vishal Sharma

In response to the COVID-19 pandemic, Bluetooth-based contact tracing has been deployed in many countries with the help of the developers of smartphone operating systems that provide APIs for privacy-preserving exposure notification.…

Cryptography and Security · Computer Science 2021-03-16 Kenji Saito , Mitsuru Iwamura

The last decade has witnessed a tremendous growth of service computing, while efficient service recommendation methods are desired to recommend high-quality services to users. It is well known that collaborative filtering is one of the most…

Information Retrieval · Computer Science 2024-08-29 Lina Wang , Huan Yang , Yiran Shen , Chao Liu , Lianyong Qi , Xiuzhen Cheng , Feng Li

Recent years have seen several earnest initiatives from both academic researchers as well as open source communities to implement and deploy decentralized online social networks (DOSNs). The primary motivations for DOSNs are privacy and…

Social and Information Networks · Computer Science 2011-05-26 Rajesh Sharma , Anwitaman Datta

Privacy-preserving average consensus aims to guarantee the privacy of initial states and asymptotic consensus on the exact average of the initial value. In existing work, it is achieved by adding and subtracting variance decaying and…

Systems and Control · Computer Science 2017-02-10 Jianping He , Lin Cai , Chengcheng Zhao , Peng Cheng , Xinping Guan

This paper aims at secure and privacy preserving consensus algorithms of networked systems. Due to the technical challenges behind decentralized design of such algorithms, the existing results are mainly restricted to a network of systems…

Systems and Control · Computer Science 2021-09-01 Wentuo Fang , Mohsen Zamani , Zhiyong Chen

User profiling is a critical component of adaptive risk-based authentication, yet it raises significant privacy concerns, particularly when handling sensitive data. Profiling involves collecting and aggregating various user features,…

Cryptography and Security · Computer Science 2025-08-05 Yaser Baseri , Abdelhakim Senhaji Hafid , Dimitrios Makrakis

The emerging Information-Centric Networking (ICN) paradigm is expected to facilitate content sharing among users. ICN will make it easy for users to appoint storage nodes, in various network locations, perhaps owned or controlled by them,…

Cryptography and Security · Computer Science 2017-07-12 Nikos Fotiou , George C. Polyzos

In the last decade, Online Social Networks (OSNs) have taken the world by storm. They range from superficial to professional, from focused to general-purpose, and, from free-form to highly structured. Numerous people have multiple accounts…

Computers and Society · Computer Science 2015-10-06 Mishari Almishari , Ekin Oguz , Gene Tsudik

A large number of IoT devices are connected via the Internet. However, most of these IoT devices are generally not perfect-by-design even have security weaknesses or vulnerabilities. Thus, it is essential to update these IoT devices…

Cryptography and Security · Computer Science 2019-02-12 Yanqi Zhao , Yiming Liu , Yong Yu , Yannan Li

Graph neural network (GNN) is widely used for recommendation to model high-order interactions between users and items. Existing GNN-based recommendation methods rely on centralized storage of user-item graphs and centralized model learning.…

Information Retrieval · Computer Science 2022-10-12 Chuhan Wu , Fangzhao Wu , Yang Cao , Yongfeng Huang , Xing Xie

Electronic Product Code (EPC) is the basis of a pervasive infrastructure for the automatic identification of objects on supply chain applications (e.g., pharmaceutical or military applications). This infrastructure relies on the use of the…

Cryptography and Security · Computer Science 2009-11-27 Joaquin Garcia-Alfaro , Michel Barbeau , Evangelos Kranakis

Privacy in Online Social Networks (OSNs) evolved from a niche topic to a broadly discussed issue in a wide variety of media. Nevertheless, OSNs drastically increase the amount of information that can be found about individuals on the web.…

Social and Information Networks · Computer Science 2015-05-25 Thomas Paul , Daniel Puscher , Thorsten Strufe

Cloud computing is emerging as a revolutionary computing paradigm, while security and privacy become major concerns in the cloud scenario. For which Searchable Encryption (SE) technology is proposed to support efficient retrieval of…

Information Retrieval · Computer Science 2017-06-01 Ruihui Zhao , Yuanliang Sun , Mizuho Iwaihara

This paper proposes a differentially private energy trading mechanism for prosumers in peer-to-peer (P2P) markets, offering provable privacy guarantees while approaching the Nash equilibrium with nearly socially optimal efficiency. We first…

Computer Science and Game Theory · Computer Science 2024-10-22 Yuji Cao , Yue Chen