Abstract. Current e-learning standards have been designed to provide reusability of educational contents and interoperability between systems. Besides these features, content perso...
: We present a spatial model of group interaction in virtual environments. The model aims to provide flexible and natural support for managing conversations among large groups gath...
Most co-authoring tools support basic annotations, such as edits and comments that are anchored at specific locations in the document. However, they do not support metacommentary ...
Technologies can be used ? or appropriated ? in different ways by different users, but how do the use patterns evolve, and how can design facilitate such evolution? This paper app...
Agents must decide with whom to interact, which is nontrivial when no central directories are available. A classical decentralized approach is referral systems, where agents adapt...