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.
parafac
In statistics, parallel factor analysis (PARAFAC) also name canonical decomposition (candecomp) is a multi-way method originating from psychometrics. It is a well-used method in chemometrics and associated areas.