13. The non-transitory machine-readable medium of claim 12 , wherein the instructions for forming a new classification model for use with the target application by using the labeled data for adaptation of an existing classification model comprises: instructions for determining a distance from the existing classification model to the new classification model; and instructions for performing the adaptation of the existing model by using the distance.
14. The non-transitory machine-readable medium of claim 13 , wherein the classification model is a speech processing model and wherein the distance comprises a logistic loss function.