E-government in South Africa has a particularly important historical and social context due to the legacy of apartheid. As a result, a ten year egovernment implementation horizon h...
The segmentation of time-series is a constrained clustering problem: the data points should be grouped by their similarity, but with the constraint that all points in a cluster mus...
Fostering creativity in User Interface (UI) design is challenging for innovation. This paper explores the combination of model-based approaches and interactive genetic algorithms ...
This article describes a research project in the area of cooperative telelearning. It summarizes the characteristics and results of a groupware-supported international teleseminar...
Andreas Johannsen, Wouter van Diggelen, Gert-Jan d...
Commercial relational database systems today provide only limited temporal support. To address the needs of applications requiring rich temporal data and queries, we have built TI...