19. The system of claim 16 , wherein the at least one processor coupled to the memory operative for said determining is further operative for using a conditional random field-based technique, wherein a conditional random field is trained to model at least one confusion and account for at least one error in a phonetic decoding derived from an automatic speech recognition output.
20. The system of claim 19 , wherein training data for the conditional random field comprises at least one pair of input and output phone sequences corresponding to a reference phone sequence and a decoded phone sequence, respectively.