The evolution of learning systems brought improvements to the functionality of their components by offering support and mediating learning, communication and collaboration. However...
Social network systems, like last.fm, play a significant role in Web 2.0, containing large amounts of multimedia-enriched data that are enhanced both by explicit user-provided an...
Ioannis Konstas, Vassilios Stathopoulos, Joemon M....
Tagging plays an important role in many recent websites. Recommender systems can help to suggest a user the tags he might want to use for tagging a specific item. Factorization mo...
This paper describes a hypermedia infrastructure, called HyperDisco, designed to address important issues such as integration, collaboration, versioning, scalability, openness, di...
This paper analyzes some of the factors that prevent knowledge construction and reuse in traditional library settings and describes VRef, an environment designed to provide users ...