—Cooperative spectrum sensing has been shown to be able to greatly improve the sensing performance in cognitive radio networks. However, if cognitive users belong to different se...
JIGSAW is a well-known technique for collaborative learning. Students typically use it in a face-to-face setting without computer support. This paper describes a Webbased tool for...
Abstract. Information systems engineering for design or knowledge communities is characterized by the fact that these communities constantly monitor themselves and initiate repair ...
We describe two games in which online participants collaborated with mobile participants on the city streets. In the first, the players were online and professional performers wer...
Martin Flintham, Steve Benford, Rob Anastasi, Terr...
In educational settings, current digital technologies often work counter-productive because people using them experience separation and isolation. This paper describes a set of mul...
Jan Schneider, Jan Derboven, Kris Luyten, Chris Vl...