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.
DARPA Markup Language (DAML+OIL)
DAML is being developed as an extension to XML and RDF. DAML+OIL provides a rich set of constructs with which to create ontologies and to markup information so that it is machine readable and understandable.