Collaborative learning is question-driven and open-ended by nature. Many of the techniques developed for intelligent tutoring are applicable only in more structured settings, but f...
This paper focuses on designing incentive mechanisms for overlay multicast systems. Existing proposals on the problem are no longer able to provide proper incentives when rational...
Recommender Systems allow people to find the resources they need by making use of the experiences and opinions of their nearest neighbours. Costly annotations by experts are replac...
This paper compares popular client and server architectures used for groupware. It presents a client framework and evaluates native, installed clients, Java-based applications, an...
The globalization of businesses and the cooperation between organizations have brought on an ever increased need for providing support for distributed collaborations. In this pape...