Monday February 8 4:00 - 4:50 PM Kelley 1001 [map]<http://oregonstate.edu/cw_tools/campusmap/?&offsetX=1576&offsetY=526&point=?298,111>
Nathalie Riche Microsoft Research Visualizing and Interacting with Social Networks Online communities and social computing applications have become more and more popular in the last decade. They provide social scientists with a very large amount of data to analyze. As the human brain is particularly effective at processing visual information, we propose to support the exploration of social network using visualization. In this talk, I first give an overview on research on node-link diagrams, the traditional representations of graphs and networks. Then, I investigate the potential of matrix-based representations and present the results of participatory design sessions with social scientists. I describe novel representations combining and merging node-link diagrams and adjacency matrices. As the social networks visualized may become very large, I also demonstrate a number of interaction techniques to interact and navigate in very large spaces. I conclude with recent work on how to support both exploration and the communication of results through interactive legends. Biography Nathalie Riche is a researcher at Microsoft Research in the VIBE group since december 2008. Her interests lie in social networks, network visualization, information visualization and human-computer interaction in general. After a master's in computer graphics, Nathalie earned a cotutelle Ph. D., sharing her time working with Pr. Jean-Daniel Fekete and the AVIZ team at INRIA/Université Paris-Sud in France and Pr. Peter Eades and graph drawing folks at the University of Sydney in Australia. Her Ph.D. research focused on the visualization of social networks using matrix-based representations.
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