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.
narray.rubyforge.org
Modules: NArray class for Numerical N-dimensional Arrays; Quanty (units) class containing value and unit, for automatic unit conversion and calculation; link to PGPlot graphics library interface.