A notification method in a computer database system includes receiving a notification instruction from an owner associated with a search listing stored in the computer database system, monitoring conditions specified by the notification instruction for the search listing, and sending a notification to...http://www.google.com/patents/US7603294?utm_source=gb-gplus-sharePatent US7603294 - Automatic advertiser notification for a system for providing place and price protection in a search result list generated by a computer network search engine