Visualization of graph data is incredibly challenging, particularly when it comes to extremely large, scale-free graphs and social networks. A few simple searches on the Web and you will find some mesmerizing and very cool images. Perhaps the most cited...
M. Atzmueller, и F. Mitzlaff. Lorentz Workshop on Mining Patterns and Subgroups, Lorentz Center, Leiden, The Netherlands. Awarded with the Best Discovery Award, (2010)
A. Mislove, B. Viswanath, K. Gummadi, и P. Druschel. Proceedings of the Third ACM International Conference on Web Search and Data Mining, стр. 251--260. New York, NY, USA, ACM, (2010)