Matrix Visualization

ralyx.inrialpes.fr/2006/Raweb/in-situ/uid51.html

 

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Social networks analysis and visualization is becoming more and more important, due to the development of onlince communities on the Web, but also to the increase of security-related threats such qs terrorist attacks and epidemic speads. Visualizing large or dense social networks is simply not possible using current node-link diagram representations. We have shown that the matrix representation was a good alternative to node-link diagrams. However, it has not received as much attention as node-link diagrams in the past and the research community needs to design good navigation and layout methods to improve it. We have worked in that direction and proposed two enhancements to Matrix Visualization: better reordering algorithms to show the overall structure of a network and synchronized views of node-link diagrams and matrices to get the benefit of both representations [19]. We have also started working on hybrid representations using links overlaid on top of a matrix (Fig. 10). We have shown that this representation improved the performance the matrix representation for tasks related to path-finding. We have also worked with international researchers to improve evaluation methods of network visualization systems by proposing a taxonomy of network-related tasks

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