Pedagogical agent research seeks to exploit Reeves and Nass’s Media Equation, which holds that users respond to interactive media as if they were social actors. Investigations ha...
Ning Wang, W. Lewis Johnson, Richard E. Mayer, Pao...
Web 2.0 applications have attracted a considerable amount of attention because their open-ended nature allows users to create lightweight semantic scaffolding to organize and shar...
Social network services have become a viable source of information for users. In Twitter, information deemed important by the community propagates through retweets. Studying the c...
Tagging systems have become major infrastructures on the Web. They allow users to create tags that annotate and categorize content and share them with other users, very helpful in...
Social bookmarking tools become more and more popular nowadays and tagging is used to organize information and allow users to recall or search the resources. Users need to type th...