Mohd Anwar

Learn More
While sharing information is the main purpose of online social networks (OSN), privacy is a major concern. It has been argued that the lack of privacy protection caused the massive departure of users from MySpace in 2008 [1] – specially , due to mass media coverage on dangers of teenagers' public profiles and the appearance of Facebook, which provided a(More)
Recently, we have seen a rapid growth of social networking systems (SNSs). In most SNSs, a user can configure his privacy settings to indicate who can or cannot see his friend list. Usually, SNSs, such as LinkedIn and Google Plus, also include a feature that allows a user to query mutual friends between him and any other user he can reach using the(More)
— Location-Based Social Network Systems (LBSNSs) are becoming increasingly popular. In LBSNSs, users can check in at various places, connect with their friends and share their check-ins (including users' locations and timestamps) with their friends and even the public. However, most LBSNSs pay on more attention to attracting users to join and actively use(More)
Q&A social media have gained a lot of attention during the recent years. People rely on these sites to obtain information due to a number of advantages they offer as compared to conventional sources of knowledge (e.g., asynchronous and convenient access). However, for the same question one may find highly contradicting answers, causing an ambiguity with(More)