Recommender systems play a significant role in reducing information overload for people visiting online sites, but their accuracy could be improved by using data from online social networks and electronic communication tools

Opinion leaders influence the decisions of others and play a significant role in disseminating information, specifically in the domain of e-commerce. Prior studies exploring the factors that affect a person's ability to influence others have been conducted in either a work setting (i.e. advice...

Social recommender systems utilize data regarding users’ social relationships in filtering relevant information to users. To date, results show that incorporating social relationship data – beyond consumption profile similarity – is beneficial only in a very limited set of cases. The main...