15. The system of claim 9 , the computer-readable storage medium having additional instructions stored which, when executed by the processor, cause the processor to perform operations comprising recognizing additional speech from the user using the personalized user model.
15. The system of claim 9 , the computer-readable storage medium having additional instructions stored which, when executed by the processor, cause the processor to perform operations comprising recognizing additional speech from the user using the personalized user model. 16. The system of claim 15 , the computer-readable storage medium having additional instructions stored which, when executed by the processor, cause the processor to perform operations comprising iteratively improving the personalized user model based on the additional speech.