—With the growth in the past few years of social tagging services like Delicious and CiteULike, there is growing interest in modeling and mining these social systems for deriving...
—Identifiers are an essential component of online communication. My research focuses on the ways that social, technical and policy factors affect people’s behavior with online...
—Social network information is now being used in ways for which it may have not been originally intended. In particular, increased use of smartphones capable of running applicati...
Abstract— In developing regions, Internet connectivity is extremely poor, while mobile phone penetration is much higher. The inhabitants of developing conuntries still rely on tr...
— We study how an online community perceives the relative quality of its own user-contributed content, which has important implications for the successful self-regulation and gro...