| http://www.w3.org/ns/prov#value | - The usage detection module might make its determination by measuring the total time required by the caller to reach a given point, or marker, in the interaction with the IVR (e.g., the total time required by the caller to navigate an introductory menu and reach a dialog requesting the caller to enter a personal identification number) and compare that time with an average time taken by other caller
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