Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
jung.sourceforge.net
Explicit
The Java Universal Network/Graph Framework is a software library that provides a common and extendible language for the modeling, analysis, and visualization of data that can be represented as a graph or network.