Visualizing Digital Library Search Results with Categorical and Hierarchical Axes
Ben Shneiderman*, David Feldman, Anne Rose and Xavier Ferré Grau, Human-Computer Interaction Laboratory, Department of computer Science. E-mail address: ben@cs.umd.edu
ABSTRACT
Digital library search results are usually shown as a textual list, with 10–20 items per page. Viewing several thousand search results at once on a two-dimensional display with continuous variables is a promising alternative. Since these displays can overwhelm some users, we created a simplified two-dimensional display that uses categorical and hierarchical axes, called hieraxes. Users appreciate the meaningful and limited number of terms on each hieraxis. At each grid point of the ...
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