Search Log Analysis
A very useful discussion on Search Log Analysis is going on over at Lou's blog. Here's a quote by Walter Underwood:
Query logs are gold, because they show the terms that your visitors use, instead of the ones that you use. Every other measurement on your site describes your links that use your words. This is where the visitors speak.
How to create your own search log analysis tool in MySQL.
B&A article: What Is A Controlled Vocabulary?
Richard Wiggins explains Thesaurus and Best Bets search results. View in HTML or download Detailed PDF[612kb].
Papers presented at CHI 2003 on Search including this one on Search Log Analysis.