smlar extension for pg "Simple Recommender System" section: http://www.sai.msu.su/~megera/postgres/talks/pgcon-2012.pdf http://www.sai.msu.su/~megera/postgres/

smlar extension for pg "Simple Recommender System" section: http://www.sai.msu.su/~megera/postgres/talks/pgcon-2012.pdf http://www.sai.msu.su/~megera/postgres/talks/pgcon-2012.pdf http://railsware.com/blog/2012/05/10/effective-similarity-search-in-postgresql/ http://railsware.com/blog/2012/05/10/effective-similarity-se... http://blog.databasepatterns.com/2014/07/postgresql-install-smlar-extension.html http://blog.databasepatterns.com/2014/07/postgresql-install-...