A computerized system responds, not just to a single query issued by a user, but to a query in the context of a dialog with the user. The system, which is referred to as an interactive automated response system, consists of three principal components or subsystems, which are a text categorizer that assigns...http://www.google.fr/patents/US6567805?utm_source=gb-gplus-shareBrevet US6567805 - Interactive automated response system
