Information retrieval is, in general, an iterative search process, in which the user often has several interactions with a retrieval system for an information need. The retrieval ...
In this paper we show how action research contributes to the design of health information systems by constructing knowledge addressing users’ concerns in a timely manner. Our ai...
I report briefly on some of my own work in each of these areas and elucidate some of the questions that this research has raised. Then I propose as a research agenda the developme...
In this paper, I describe how various understandings of community activated the design of Dialup Radio, a mobile phonebased independent media distribution system for Zimbabwean ci...
In this paper we show how to improve the architecture of Web Information Systems (WISs) using design patterns, in particular navigational patterns. We first present a framework to...