[. Munzner-t and A. D. , GrouseFlocks: Steerable exploration of graph hierarchy space, IEEE Trans. on Visualization and Computer Graphics, vol.14, issue.4, pp.900-913, 2008.

A. D. Aub03, Tulip : A huge graph visualization framework, Mathematics and Visualization, pp.105-126, 2003.

]. Avhk06, . J. Abello, H. F. Van, and . Krishnan-n, ASK- GraphView: A large scale graph visualization system, Proc. Vis, pp.669-676, 2006.

. [. Burch-h, G. E. Branigan-sdgdgl07-]-di, . Didimo-w, and . Grilli-l, Mapping and visualizing the Internet, Proc. USENIX Graph visualization techniques for web clustering engines, pp.294-304, 2000.

. [. Feng-q, Multilevel visualization of clustered graphs, Proc. Graph Drawing (GD'96), pp.101-112, 1996.

E. P. Huang-m, Navigating clustered graphs using force-directed methods, Journal of Graph Algorithms and Applications, vol.4, issue.3, pp.157-181, 2000.

K. [. North-s, Topological fisheye views for visualizing large graphs, IEEE Trans. on Visualization and Computer Graphics, vol.11, issue.4, pp.457-468, 2005.

[. Eades-p and H. S. , Beyond time and error: a cognitive approach to the evaluation of graph drawings

[. Eades-p and H. S. , A graph reading behaviour: Geodesic-path tendency, Proc. of the 2nd Pacific Visualization Symposium, pp.137-144, 2009.

[. and H. S. Eades-p, How people read sociograms: a questionnaire study, APVis '06: Proc. of the, 2006.

]. Pur97 and . C. Purchase-h, Which aesthetic has the greatest effect on human understanding?, Proc. of the 5th International Symp. on Graph Drawing, pp.248-261, 1997.

[. Vernik-r and . Phillips-m, Information visualization using composable layouts and visual sets, Proc. of the 2001 Asia-Pacific Symp. on Information Visualization, pp.1-10, 2001.

. Schaffer-d, . Zuo-z, . Greenberg-s, . Bartram-l, and D. S. Dill-j, Navigating hierarchically clustered networks through fisheye and full-zoom methods, ACM Transactions on Computer-Human Interaction, vol.3, issue.2, pp.162-188, 1996.
DOI : 10.1145/230562.230577

H. F. Van and R. B. , Perceptual Organization in User-Generated Graph Layouts, Proc. Vis, pp.1333-1339, 2008.
DOI : 10.1109/TVCG.2008.155

H. F. Van and . J. Van-wijk, Interactive Visualization of Small World Graphs, IEEE Symposium on Information Visualization, pp.199-206, 2004.
DOI : 10.1109/INFVIS.2004.43

H. F. Van, . Wattenberg-m, and . Viegas-f, Mapping Text with Phrase Nets, IEEE Transactions on Visualization and Computer Graphics, vol.15, issue.6, pp.1169-1176, 2009.
DOI : 10.1109/TVCG.2009.165

]. Wat06 and . M. Wattenberg, Visual exploration of multivariate graphs, Proc. of SIGCHI conference on Human Factors in Computing Systems, pp.811-819, 2006.