Dynamic Queries and Brushing on Choropleth Maps
Gunjan Dang, Chris North* and Ben Shneiderman, Human-Computer Interaction Lab & Department of Computer Science, University of Maryland, College Park MD 20742, {gunjan, north, www.cs.umd.edu/hcil. E-mail address: benj@cs.umd.edu
Abstract
Users who must combine demographic, economic or other data in a geographic context are often hampered by the integration of tabular and map representations. Static, paper-based solutions limit the amount of data that can be placed on a single map or table. By providing an effective user interface, we believe that researchers, journalists, teachers, and students can explore complex data sets more rapidly and effectively. This paper presents Dynamaps, a generalized ...
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