A method, apparatus, and computer instructions for pruning search engine indices. A notification is received from a client browser that a Web page retrieval error occurred for a Web page or that the Web page no longer contains selected keywords. In response to receiving the notification, the Web page...http://www.google.com.au/patents/US20030131005?utm_source=gb-gplus-sharePatent US20030131005 - Method and apparatus for automatic pruning of search engine indices
