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.
schema
The wor schema comes from the Greek word "σχήμα" (skhēma), which means shape or more generally plan. The Greek plural is "σχήματα" (skhēmata). In English, both schemas and schemata are used as plural form, although only the latter is correct.