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.
marathon.csee.usf.edu
"The comparison of edge detection algorithms, five edge detectors were evaluated. A masters thesis detailing the description of this comparison is available. This work was published in Patten Analysis and Machine intelligence.",1997.