We present a user requirements study for Question Answering on meeting records that assesses the difficulty of users questions in terms of what type of knowledge is required in or...
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 reports our experience of evaluating an application that uses visualization approaches to support instructors in Web based distance education. The evaluation took place...
This paper presents a model for delegation based on partial orders, proposing the subclass relation in OWL as a way to represent the partial orders. Delegation and authorization de...
The paper describes empirical findings about Chief Information Officers (CIO's) in Germany. Firstly the CIO concept in general is reviewed in brief and other surveys found in...