The need of trust is growing in several contexts as e-commerce, virtual communities, distributed on-line services and many others as an essential precautionary component for users …
Trust and reputation systems gained great attention in the last decades. Such systems aim at giving users a quantitative evaluation about the trustworthiness of other users. …
A generic user can find a great number of on-line systems to access a huge amount of information. Unfortunately, usually there is no control about the quality of information. To …
Expertise assessment is frequently required in social networks. This work proposes a method to globally rank people according to their expertise according to a set of topicsWe also …
This paper presents a distributed algorithm capturing the TrustWebRank metric, whose goal is to evaluate trust relationships among users in a social network. We first justify why a …
Experts finding is a frequent issue in social (even web-based) networks. This work proposes a method to globally rank people according to their expertise in a set of topics. We …