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 ...
Future business applications will often have more than 2,000 forms and need to target several user interface (UI) technologies including: Web Browsers, Windows® Applications, PDA...
The goal of `Computer Augmented Environments' is to bring computational power to everyday objects with which users are already familiar, so that the user interface to this co...
Accessing information sources to retrieve data requested by a user can be expensive, especially when dealing with distributed information sources. One way to reduce this cost is t...
We have designed and deployed a system that uses X.509 public-key certificates (PKC) and attribute certificates (AC) for access control. This includes an authorization service for...