External representations can be powerful to support learners' collaborative knowledge construction. They can focus learners on aspects which are particularly important for th...
This paper explores the relationship between display of feedback (public vs. private) by a computer system and the basis for evaluation (present vs. absent) of that feedback. We e...
Single Display Groupware (SDG) lets multiple co-located people, each with their own input device, interact simultaneously over a single communal display. While SDG is beneficial, ...
Edward Tse, Jonathan Histon, Stacey D. Scott, Saul...
This paper presents our work and research findings on developing the concept of a multi-user shared environment for culture, performance, art and entertainment. It introduces arti...
Wolfgang Strauss, Monika Fleischmann, Mette Thomse...
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other secu...