A growing body of research is investigating the use of tabletop displays, in particular to support collaborative work. People often interact directly with these displays, typicall...
Growing levels of digitalization and broadband access drives extremely fast progress in multimedia and networking technologies and allows consumers to create requirements at an ac...
During face-to-face interactions, groups frequently overly rely on the dominant viewpoint to lead the group in its decision-making process. We begin with a discussion of this phen...
We propose a novel sequential decision approach to modeling ordinal ratings in collaborative filtering problems. The rating process is assumed to start from the lowest level, eva...
In this paper, we describe the design and implementation of an audio wiki application accessible via both the Public Switched Telephone Network and the Internet. The application ex...
Constantinos Kolias, Vassilis Kolias, Ioannis Anag...