The attention economy motivates participation in peerproduced sites on the Web like YouTube and Wikipedia. However, this economy appears to break down at work. We studied a large ...
Sarita Yardi, Scott A. Golder, Michael J. Brzozows...
How is work created, assigned, and completed on large-scale, crowd-powered systems like Wikipedia? And what design principles might enable these federated online systems to be mor...
Michel Krieger, Emily Margarete Stark, Scott R. Kl...
Eliciting user preferences for large datasets and creating rankings based on these preferences has many practical applications in community-based sites. This paper gives a new met...
—Semantic Event Tracker (SET) is a highly interactive visualization tool for tracking and associating activities (events) in a spatially and Multimedia Enriched Virtual Environme...
Leonidas Deligiannidis, Farshad Hakimpour, Amit P....
In many Grid services deployments, the clients and servers reside in different administrative domains. Hence, there is a requirement both to discover each other’s authorization ...
Ionut Constandache, Daniel Olmedilla, Frank Sieben...