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.
docarc.sourceforge.net
Explicit
A web-based database for keeping track of electronic documents and BibTeX entries, including browser plugins and console frontends. Live demo, SourceForge project page, download and documentation.