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Carlea Holl-Jensen||cholljen@umd.edu


HCIL-2004-06

Parr, C., Lee, B., Campbell, D., Bederson, B. (March 2004)
Visualizations for Taxonomic and Phylogenetic Trees
Bioinformatics, Oxford University Press, 20 (17), pp. 2997-3004.
HCIL-2004-06, CS-TR-4667

Motivation. Despite substantial efforts to develop and populate the back-ends of biological databases, front-ends to these systems often rely on taxonomic expertise. This research applies techniques from human-computer interaction research to the biodiversity domain. Results. We developed an interactive node-link tool, TaxonTree, illustrating the value of a carefully designed interaction model, animation, and integrated searching and browsing towards retrieval of biological names and other information. Users tested the tool using a new, large integrated dataset of animal names with phylogenetic-based and classification-based tree structures. These techniques also translated well for a tool, DoubleTree, to allow comparison of trees using coupled interaction. Our approaches will be useful not only for biological data but as general portal interfaces. Availability. A working version of TaxonTree, with Tree A, and a video demonstration of DoubleTree, showing Trees A and C, are available at {{http://www.cs.umd.edu/hcil/biodiversity}}. Tree B is available in XML at {{http://www.cs.umd.edu/hcil/iv03contest/index.shtml}}.


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NodeXL: Network Overview for Discovery and Exploration in Excel
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