12. The tangible, non-transitory computer-readable medium of claim 1 , wherein a relationship between the detected morphemes and the one or more task objectives includes a salience measure of one of the detected morphemes with respect to a specified one of a plurality of predetermined task objectives.
12. The tangible, non-transitory computer-readable medium of claim 1 , wherein a relationship between the detected morphemes and the one or more task objectives includes a salience measure of one of the detected morphemes with respect to a specified one of a plurality of predetermined task objectives. 13. The tangible, non-transitory computer-readable medium of claim 12 , wherein the salience measure is represented as a conditional probability of one of the one or more task objectives being requested given an appearance of the morpheme in the user input, the conditional probability being a highest value in a distribution of the conditional probabilities over the plurality of predetermined task objectives.