I present a research framework and some tools developed as part of an ongoing effort into defining and using interaction history as part of a user interface for social navigation,...
The growing popularity of computers in all areas of daily life leads to the situation that an increasing number of people with diverse know-how of computers and software use these...
In this work we compare an in-house designed Tangible User Interface (TUI) with three alternative single-user tools through an empirical investigation. These three alternative too...
The vision of Pervasive and Ubiquitous Computing promises that our future environments will be furnished with an increasing number of computationally augmented artifacts. Conseque...
This paper describes the process of designing an authoring tool for virtual environments, using constructivist principles. The focus of the tool is on helping novice designers wit...