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.
www.kanjinetworks.com
Lawrence J. Howell's and Hikaru Morimoto's kanji dictionary, with hypothetical phonosemantic "etymologies," is searchable by character, radical, stroke count, or pronunciation. (UTF-8)