I present an approach to designing decision support systems. The approach is to dissect a decision from both a normative and a cognitive perspective, and then to design a diagram ...
Summarizing large multidimensional datasets is a challenging task, often requiring extensive investigation by a user to identify overall trends and important exceptions to them. W...
Generative Programming (GP) is a new paradigm that allows automatic creation of entire software family, using the configuration of elementary and reusable components. GP can be pr...
As the field of information visualization matures, the tools and ideas described in our research publications are reaching users. The reports of usability studies and controlled e...
This paper describes two visualisation algorithms that give an impression of current activity on a web site. Both focus on giving a sense of the trail of individual visitors withi...