Ferret

Ferret
[url]http://ferret.davebalmain.com/trac[/url]

Full text search in Ruby on Rails
[url]http://blog.zmok.net/articles/2006/08/14/full-text-search-in-ruby-on-rails[/url]
[url]http://blog.zmok.net/articles/2006/09/04/full-text-search-in-ruby-on-rails-2-mysql[/url]
[url]http://blog.zmok.net/articles/2006/10/18/full-text-search-in-ruby-on-rails-3-ferret[/url]

Rcrawl
[url]http://blog.digitalduckies.net/articles/2006/09/23/announcing-rcrawl/[/url]

用 ferret 来支持全文检索
[url]http://blogsite.3322.org/page/show/2671[/url]