Recommendation Collaborative filtering for recommender system The gem is intended to implement collaborative filtering alone. (not use KVS.) What is Recommendation See also. http://en.wikipedia.org/wiki/Recommender_system What is Collaborative filtering See also. http://en.wikipedia.org/wiki/Collaborative_filtering In reference http://www.amazon.co.jp/Programming-Collective-Intelligence-Building-Applications/dp/0596529325 Tutorial See demo.rb and spec files. ChangeLog See doc/ChangeLog. Developers See doc/AUTHORS. Author 774 http://id774.net http://github.com/id774 Copyright and license See the file doc/LICENSE.