Although tagging has become increasingly popular in online image and video sharing systems, tags are known to be noisy, ambiguous, incomplete and subjective. These factors can ser...
Social virtual worlds (SVWs) have become increasingly important environments for social interaction, especially for the younger generations. For SVWs to be economically sustainabl...
Recently there is an increased interest in social agency and in designing and building organizations of agents. In this paper we view an organization as an interrelated set of grou...
Understanding how the structure of a network evolves over time is one of the most interesting and complex topics in the field of social networks. In our attempt to model the dynam...
Workspace awareness is knowledge about others' interaction with a shared workspace. Groupware systems provide only limited information about other participants, often comprom...