Abstract. In a society, we have many forms of relations with other people from home, work or school. These relationships give rise to a social network. People in a social network r...
In this paper we introduce Social VPNs, a novel system architecture which leverages existing social networking infrastructures to enable ad-hoc VPNs which are self-configuring, s...
Renato J. O. Figueiredo, P. Oscar Boykin, Pierre S...
The new social media sites--blogs, wikis, del.icio.us and Flickr, among others--underscore the transformation of the Web to a participatory medium in which users are actively crea...
A number of studies have identified a robust relationship between the use of social network sites, particularly Facebook, and positive outcomes such as social capital. Social netw...
Although extensive studies have been conducted on online social networks (OSNs), it is not clear how to characterize information propagation and social influence, two types of impo...