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...
Naval Surface Warfare Center Dahlgren Division; under joint sponsorship of the Office of Naval Research; the Naval Command, Control, and Ocean Surveillance Center; and the Naval S...
Vector data represents one major category of data managed by GIS. This paper presents a new technique for vector-data display that is able to precisely and efficiently map vector ...
During the life cycle of a software system, the source code is changed many times. We study how developers can be enabled to get insight in these changes, in order to understand t...
We describe an approach to building integrated performance support systems by using model-based task tracking to link performance support tools to video-based organizational memor...
Christopher R. Johnson, Lawrence Birnbaum, Ray Bar...