While the size of popular Online Social Networks (OSNs) such as MySpace or Twitter has been reported to be in the tens or hundreds of millions of users (and growing), little is kn...
A growing number of users in Web 2.0 based social network sites and photo sharing portals upload millions of images per day. In many cases, this leads to serious privacy threats. ...
Thorben Burghardt, Andreas Walter, Erik Buchmann, ...
The increasing availabilities of GPS-enabled devices have given rise to the location-based social networking services (LBSN), in which users can record their travel experiences wi...
Yukun Chen, Kai Jiang, Yu Zheng, Chunping Li, Neng...
Abstract—Online social networks such as Facebook, MySpace, and Orkut store large amounts of sensitive user data. While a user can legitimately assume that a social network provid...
Manuel Egele, Andreas Moser, Christopher Kruegel, ...
In this work we examine the characteristics of social activity and patterns of communication on Twitter, a prominent example of the emerging class of communication systems we call...