Abstract. At present, network users have to manage one set of authentication credentials (usually a username/password pair) for every service with which they are registered. Single...
In this work we describe a set of visual routines, which support a novel sensor free interface between a human and virtual objects. The visual routines detect, track and interpret ...
This paper examines the facilitator, group member, and system roles as a complete socio-technical system. Each of these three components of the sociotechnical system is discussed ...
The paper systematically explores the social dimension of external interruptions of human activities. Interruptions and interruption handling are key issues in human-computer inte...
Giving effective help is an important collaborative skill that leads to improved learning for both the help-giver and help-receiver. Adding intelligent tutoring to student interact...