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.
Tutorial on OWL
An introduction to OWL by Sean Bechhofer, Ian Horrocks and Peter F. Patel-Schneider, in the forms of a set of PDF documents and PPT presentations.