Guiding Visitors Through Your Site With Profiling
http://www.allen.com/cgi-bin/gt/tpl_page.html,template=1&content=18&nav1=1&

Allen, Cliff
Allen.com
2003

Abstract:

Have you noticed how few Web sites give special treatment to people who return numerous times? Fortunately, there are tools and techniques that can help you guide visitors through your site based on their interest profile.