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2011 IEEE Pacific Visualization Symposium
Dynamic network visualization in 1.5D
Hong Kong, China
March 01-March 04
ISBN: 978-1-61284-935-5
The dynamic network visualization has been a challenging topic due to the complexity introduced by the extra time dimension. Existing solutions to this problem are usually good for the overview and presentation, but not for the interactive analysis. We propose in this paper a new approach which only considers the dynamic network central to a focus node (aka dynamic ego network). The navigation of the entire network is achieved by switching the focus node with user interactions. With this approach, the complexity of the compressed dynamic network is greatly reduced without sacrificing the network and time affinity central to the focus node. As a result, we are able to present each dynamic ego network in a single static view, well supporting user analysis on temporal network patterns. We describe our general framework including the network data pre-processing, 1.5D network and trend visualization design, layout algorithms, as well as several customized interactions. In addition, we show that our approach can also be extended to visualize the event-based and multimodal dynamic networks. Finally, we demonstrate, through two practical case studies, the effectiveness of our solution in support of visual evidence and pattern discovery.
Index Terms:
telecommunication computing,computer networks,data visualisation,pattern discovery,dynamic network visualization,extra time dimension,interactive analysis,dynamic network central,dynamic ego network,user interactions,compressed dynamic network,time affinity central,temporal network patterns,network data preprocessing,trend visualization design,event-based networks,multimodal dynamic networks,Layout,Data visualization,Visualization,Computational modeling,Navigation,Heuristic algorithms,Clutter
Citation:
"Dynamic network visualization in 1.5D," pacificvis, pp.179-186, 2011 IEEE Pacific Visualization Symposium, 2011
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