A privacy-preserving fuzzy interest matching protocol for friends finding in social networks

A centralized privacy-preserving framework for online social networks

There are some critical privacy concerns in the current online social networks (OSNs). Users' information is disclosed to different entities that they were not supposed to access. Furthermore, the notion of friendship is inadequate in OSNs since the degree of social relationships between users dynamically changes over the time. Additionally, users may define similar privacy settings for their f...

On Finding Better Friends in Social Networks

We study the dynamics of a social network. Each node has to decide locally which other node it wants to befriend, i.e., to which other node it wants to create a connection in order to maximize its welfare, which is defined as the sum of the weights of incident edges. This allows us to model the cooperation between nodes where every node tries to do as well as possible. With the limitation that ...

SFPM: A Secure and Fine-Grained Privacy-Preserving Matching Protocol for Mobile Social Networking

Privacy-Preserving Friends Troubleshooting Network

Content sharing is a popular use of peer-to-peer systems because of their inherent scalability and low cost of maintenance. In this paper, we leverage this nature of peer-topeer systems to tackle a new problem: automatic misconfiguration troubleshooting. In this setting, machine configurations from peers are shared to diagnose misconfigurations on a sick machine. The key challenges are preservi...

Privacy Preserving Reputation Management in Social Networks

Reputation management is a powerful security tool that helps establish the trustworthiness of users in online applications. One of the most successful use of reputation systems is on e-commerce web sites such as eBay.com and Amazon.com, which use reputation systems to root out fraudulent sellers. Reputation systems can also play an important role in social networks to enforce various security r...