A hierarchy improvement system and associated method automatically locate “weak spots” in a hierarchical organization of a Web site, where the visitors' expected locations of Web pages, Web sites, or Web points (i.e., nodes) do not coincide with their actual locations. The system mines the users'...http://www.google.com.hk/patents/US6981037?utm_source=gb-gplus-share專利 US6981037 - Method and system for using access patterns to improve web site hierarchy and organization
