Displaying User Behavior in the Collaborative Graph Visualization System OnGraX

Zimmer, Björn and Kerren, Andreas (2015) Displaying User Behavior in the Collaborative Graph Visualization System OnGraX. In: Graph Drawing and Network Visualization: 23rd International Symposium, GD 2015, September 24-26, 2015 , pp. 247-259(Official URL: http://dx.doi.org/10.1007/978-3-319-27261-0_21).

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The visual analysis of complex networks is a challenging task in many fields, such as systems biology or social sciences. Often, various domain experts work together to improve the analysis time or the quality of the analysis results. Collaborative visualization tools can facilitate the analysis process in such situations. We propose a new web-based visualization environment which supports distributed, synchronous and asynchronous collaboration. In addition to standard collaboration features like event tracking or synchronizing, our client/server-based system provides a rich set of visualization and interaction techniques for better navigation and overview of the input network. Changes made by specific analysts or even just visited network elements are highlighted on demand by heat maps. They enable us to visualize user behavior data without affecting the original graph visualization. We evaluate the usability of the heat map approach against two alternatives in a user experiment.

Item Type: Conference Paper
Classifications: J Applications > J.999 Others
S Software and Systems > S.120 Visualization
URI: http://gdea.informatik.uni-koeln.de/id/eprint/1493

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