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.
compression ratio
The compression ratio is a single number that can be use to predict the performance of any engine, particularly piston engines (but can be used on essentially any internal-combustion engine or external combustion engine as well).