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.
page.mi.fu-berlin.de
One set of requirements, 80 implementations, coded by 74 different programmers in various languages, compared for properties: run time, memory use, source text length, comment density, program structure, reliability, effort needed.