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Networked systems are widely applicable in real-world scenarios such as social networks, infrastructure networks, and biological networks. Among those applications, we are interested in social networks due to their complexity and…

Social and Information Networks · Computer Science 2021-06-22 Jiaxin Wu , Supawit Chockchowwat

Cryptographic primitives are essential for constructing privacy-preserving communication mechanisms. There are situations in which two parties that do not know each other need to exchange sensitive information on the Internet. Trust…

Cryptography and Security · Computer Science 2013-08-13 Oriol Farràs , Josep Domingo-Ferrer , Alberto Blanco-Justicia

Recommender systems for niche and dynamic communities face persistent challenges from data sparsity, cold start users and items, and privacy constraints. Traditional collaborative filtering and content-based approaches underperform in these…

Information Retrieval · Computer Science 2025-08-22 Michael Sun , Tai Vu , Andrew Wang

Social networks have become an essential meeting point for millions of individuals willing to publish and consume huge quantities of heterogeneous information. Some studies have shown that the data published in these platforms may contain…

Cryptography and Security · Computer Science 2016-07-05 Alexandre Viejo , David Sánchez

Online social networks (OSNs) are trendy and rapid information propagation medium on the web where millions of new connections either positive such as acquaintance or negative such as animosity, are being established every day around the…

Social and Information Networks · Computer Science 2018-05-03 Mudasir Ahmad Wani , Suraiya Jabin

Online social network (OSN) applications provide different experiences; for example, posting a short text on Twitter and sharing photographs on Instagram. Multiple OSNs constitute a multiplex network. For privacy protection and usage…

Physics and Society · Physics 2020-02-07 Rui Tang , Shuyu Jiang , Xingshu Chen , Haizhou Wang , Wenxian Wang , Wei Wang

Spiking Neural P systems are a class of membrane computing models inspired directly by biological neurons. Besides the theoretical progress made in this new computational model, there are also numerous applications of P systems in fields…

Cryptography and Security · Computer Science 2023-09-26 Mihail-Iulian Plesa , Marian Gheorghe , Florentin Ipate

Federated learning has recently been applied to recommendation systems to protect user privacy. In federated learning settings, recommendation systems can train recommendation models only collecting the intermediate parameters instead of…

Information Retrieval · Computer Science 2023-03-10 Zehua Sun , Yonghui Xu , Yong Liu , Wei He , Lanju Kong , Fangzhao Wu , Yali Jiang , Lizhen Cui

We propose a privacy-preserving ensemble infused enhanced Deep Neural Network (DNN) based learning framework in this paper for Internet-of-Things (IoT), edge, and cloud convergence in the context of healthcare. In the convergence, edge…

Cryptography and Security · Computer Science 2023-05-17 Veronika Stephanie , Ibrahim Khalil , Mohammad Saidur Rahman , Mohammed Atiquzzaman

In this paper we present the design of name based access control scheme which facilitates data confidentiality by applying end-to-end encryption to data published on NDN with flexible fine-grained access control, which allows to define an…

Cryptography and Security · Computer Science 2021-02-23 Aleksandr Lenin , Peeter Laud

Recombined fingerprints have been suggested as a convenient approach to improve the efficiency of anonymous fingerprinting for the legal distribution of copyrighted multimedia contents in P2P systems. The recombination idea is inspired by…

Cryptography and Security · Computer Science 2017-03-07 David Megías , Amna Qureshi

The use of peer-to-peer (P2P) networks for multimedia distribution has spread out globally in recent years. The mass popularity is primarily driven by cost-effective distribution of content, also giving rise to piracy. An end user…

Cryptography and Security · Computer Science 2017-03-07 Amna Qureshi , David Megías , Helena Rifà-Pous

Point-of-Interest (POI) recommendation has been extensively studied and successfully applied in industry recently. However, most existing approaches build centralized models on the basis of collecting users' data. Both private data and…

Cryptography and Security · Computer Science 2020-04-28 Chaochao Chen , Jun Zhou , Bingzhe Wu , Wenjin Fang , Li Wang , Yuan Qi , Xiaolin Zheng

Data and algorithm sharing is an imperative part of data and AI-driven economies. The efficient sharing of data and algorithms relies on the active interplay between users, data providers, and algorithm providers. Although recommender…

Information Retrieval · Computer Science 2022-10-27 Peter Müllner , Stefan Schmerda , Dieter Theiler , Stefanie Lindstaedt , Dominik Kowald

Recommender systems are crucial to alleviate the information overload problem in online worlds. Most of the modern recommender systems capture users' preference towards items via their interactions based on collaborative filtering…

Information Retrieval · Computer Science 2019-07-17 Wenqi Fan , Yao Ma , Dawei Yin , Jianping Wang , Jiliang Tang , Qing Li

In Near-Neighbor Search (NNS), a new client queries a database (held by a server) for the most similar data (near-neighbors) given a certain similarity metric. The Privacy-Preserving variant (PP-NNS) requires that neither server nor the…

Cryptography and Security · Computer Science 2019-10-18 M. Sadegh Riazi , Beidi Chen , Anshumali Shrivastava , Dan Wallach , Farinaz Koushanfar

In Internet of Things (IoT) systems with security demands, there is often a need to distribute sensitive information (such as encryption keys, digital signatures, or login credentials, etc.) among the devices, so that it can be retrieved…

Cryptography and Security · Computer Science 2019-11-28 Lake Bu , Mihailo Isakov , Michel A. Kinsy

Cross-institutional healthcare predictive modeling can accelerate research and facilitate quality improvement initiatives, and thus is important for national healthcare delivery priorities. For example, a model that predicts risk of…

Computers and Society · Computer Science 2018-02-07 Tsung-Ting Kuo , Lucila Ohno-Machado

Content providers increasingly utilise Content Delivery Networks (CDNs) to enhance users' content download experience. However, this deployment scenario raises significant security concerns regarding content confidentiality and user privacy…

Cryptography and Security · Computer Science 2025-01-14 Viet Vo , Shangqi Lai , Xingliang Yuan , Surya Nepal , Qi Li

The rapid expansion of the Internet of Things (IoT) and smart home ecosystems has led to a fragmented landscape of user data management across consumer electronics (CE) such as Smart TVs, gaming consoles, and set-top boxes. Current…

Cryptography and Security · Computer Science 2026-04-10 Aditya Sabbineni , Pravin Nagare , Devendra Dahiphale , Preetam Dedu , Willison Lopes
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