System and method for hierarchical attribute extraction within a call handling system

摘要

A system and method for attribute extraction within a call handling system is disclosed. The method discloses: initiating a dialog between a contact and a call handling system; waiting for a first length of the dialog; assigning the contact to a first attribute category by processing the first length of the dialog using a first instance of a first classifier; waiting for a second length of the dialog; and assigning the contact to a second attribute category by processing the second length of the dialog using a first instance of a second classifier trained to categorize dialogs assigned only to the first attribute category. The system discloses means and mediums for practicing the method.