The invention comprises a set of complementary techniques that dramatically improve enterprise search and navigation results. The core of the invention is an expertise or knowledge index, called UseRank that tracks the behavior of website visitors. The expertise-index is designed to focus on the four...http://www.google.co.uk/patents/US7693836?utm_source=gb-gplus-sharePatent US7693836 - Method and apparatus for determining peer groups based upon observed usage patterns
