7. The apparatus of claim 6 wherein the obtained semantic information comprises one or more active slots associated with the current state of the dialog with respective values for each slot of the one or more active slots.
7. The apparatus of claim 6 wherein the obtained semantic information comprises one or more active slots associated with the current state of the dialog with respective values for each slot of the one or more active slots. 8. The apparatus of claim 7 wherein the spoken utterance from the caller is stored in one or more digital audio files in a datastore, and wherein the waveform information for the recognized utterances within the dialog comprises links to respective waveform files stored in the datastore.