9. The method of claim 8 , wherein the active learning selects utterances from a set of utterances generated based on the mapped call-types between the plurality of applications.
9. The method of claim 8 , wherein the active learning selects utterances from a set of utterances generated based on the mapped call-types between the plurality of applications. 10. The method of claim 9 , wherein the selected utterances from active learning is added to training data used to retrain the first model.