Photo tagging is a popular feature of many social network sites that allows users to annotate uploaded images with those who are in them, explicitly linking the photo to each pers...
Abstract. With increasing usage of Social Networks, giving users the possibility to establish access restrictions on their data and resources becomes more and more important. Howev...
As Facebook has become global, users from different cultural and socio-political contexts have joined the site. We present a case study investigating how both current and historic...
Online social networks (OSNs) have experienced tremendous growth in recent years and become a de facto portal for hundreds of millions of Internet users. These OSNs offer attractiv...
While users disseminate various information in the open and widely distributed environment of the Semantic Web, determination of who shares access to particular information is at ...