8. A non-transitory computer-readable medium having a computer-program product encoded therein, the computer-program product comprising: program code for performing an adaptation evaluation of speech-recognition performance data for a plurality of speech-recognition system users; and program code for identifying adaptation candidate users based on the adaptation evaluation for whom an adaptation process is likely to improve system performance, wherein the adaptation evaluation comprises identifying a difference between an adapted recognition model and an initial recognition model.
8. A non-transitory computer-readable medium having a computer-program product encoded therein, the computer-program product comprising: program code for performing an adaptation evaluation of speech-recognition performance data for a plurality of speech-recognition system users; and program code for identifying adaptation candidate users based on the adaptation evaluation for whom an adaptation process is likely to improve system performance, wherein the adaptation evaluation comprises identifying a difference between an adapted recognition model and an initial recognition model. 10. The non-transitory computer-readable medium of claim 8 , wherein the adaptation process is a discriminative adaptation process.