ROLL YOUR OWN SEARCH ENGINE WITH ZEND_SEARCH_LUCENE

Zend has now published their own tutorial on the new Zend_Search_Lucene package.
On several occasions developing database-driven web applications, I've been approached by clients who want Google-style search implemented at the last minute of the development cycle. Usually this leads to using some canned script that crawls the website, or a hacked up search function that uses the database but either returns too many results or none at all. On top of that, the queries performed are too many or too slow.

http://devzone.zend.com/node/view/id/91