Community Question Answering (CQA) services enables users to ask and answer questions. In these communities, there are typically a small number of experts amongst the large popula...
Social sites are extremely popular among users but user interactions in most sites revolve around relatively simple tasks, such as uploading resources, tagging and poking friends....
Georgia Koutrika, Benjamin Bercovitz, Filip Kalisz...
Abstract—Managing group membership in an ad hoc mcommerce trading forum is a challenging task as peers may only have partial knowledge of the current membership due to frequent n...
Trust between a pair of users is an important piece of information for users in an online community (such as electronic commerce websites and product review websites) where users ...
ectly support interaction with abstraction. Using technologies that go beyond searching individual repositories to analyzing and correlating knowledge across multiple sources and s...