Categorized overviews of web search results are a promising way to support user exploration, understanding, and discovery. These search interfaces combine a metadata-based overvie...
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...
In this paper, we describe a novel methodology that integrates the design of the (i) user interface; (ii) interaction logger; and (iii) log analyzer. It is based on formalizing, v...
This paper offers new principles for visual information seeking (VIS). A key concept is to support browsing, which is distinguished from familiar query composition and information...
Developing Information Visualization (InfoVis) techniques for complex knowledge domains makes it necessary to apply alternative methods of evaluation. In the evaluation of Gravi++...