14. A non-transitory computer readable storage medium configured to store instructions that when executed cause a processor to perform: transcribing via a processor a plurality of spoken utterances occurring during a call; assigning each of the plurality of spoken utterances with a corresponding set of classifications; determining a confidence rating associated with each of the plurality of spoken utterances and the assigned set of classifications; and performing at least one of reclassifying the plurality of spoken utterances with new classifications based on at least one additional classification operation, and adding the assigned classifications and the corresponding plurality of spoken utterances to a training data set.
14. A non-transitory computer readable storage medium configured to store instructions that when executed cause a processor to perform: transcribing via a processor a plurality of spoken utterances occurring during a call; assigning each of the plurality of spoken utterances with a corresponding set of classifications; determining a confidence rating associated with each of the plurality of spoken utterances and the assigned set of classifications; and performing at least one of reclassifying the plurality of spoken utterances with new classifications based on at least one additional classification operation, and adding the assigned classifications and the corresponding plurality of spoken utterances to a training data set. 15. The non-transitory computer readable storage medium of claim 14 , wherein the plurality of spoken utterances are user spoken utterances responsive to automated questions presented to the user during the call.