Disclosed is a method and system for collecting profile information about users accessing dynamically generated content from one or more servers. In a specific embodiment, a server dynamically generates a web page in response to a user request. The server customizes the web page content based on the...http://www.google.com.hk/patents/US6185614?utm_source=gb-gplus-share專利 US6185614 - Method and system for collecting user profile information over the world-wide web in the presence of dynamic content using document comparators
