One of the main problems of collaborative filtering recommenders is the sparsity of the ratings in the users-items matrix, and its negative effect on the prediction accuracy. This ...
This research examines a collaborative solution to a common problem, that of providing help to distributed users. The Answer Garden 2 system provides a secondgeneration architectu...
With the advent of grid computing, multiple users can make use of heterogeneous computing nodes and data nodes for collaborative research. Hence, collaboration tool is inevitably i...
Hyunjoon Jung, Hyuck Han, Heon Young Yeom, Hee-Jae...
—This paper proposes a framework for a virtual classroom application based on a Virtual Collaboration System (VCS), which is being developed under the VISNET II Network of Excell...
Maria Teresa Andrade, Hemantha Kodikara Arachchi, ...