In Computer Mediated Communication, static video cameras provide a restricted field of view of remote sites. The concept of virtual window has been introduced to alleviate this problem. Although this technique is interactionally attractive, early implementations have proved unsatisfactory because of lack of robustness. In this paper, we demonstrate that robustness and accuracy can be increased ...

This work targets Collaborative Annotations of a Map in a mobile setting. This is a form of communication that makes explicit usage of the geographical/physical context as referent to the message content. The goal of this study is to develop a computational support for such communication, defining a model that enable to integrate spatial information with the textual information produced through...

Flexible pedagogical frameworks are needed to underpin e-Learning environments in order to ensure that they address effectively the individual learning approaches of an increasingly diverse student population. A quantitative study of the flexibility of one pedagogical framework for instructional design, called I CARE, identified its limitation in supporting two types of learners: those who rely...