19. A computer-readable storage device having instructions stored which, when executed by a computing device, cause the computing device to perform operations comprising: performing automatic speech recognition using a bootstrap model on utterances of a plurality of utterance data not having a corresponding manual transcription to produce automatically transcribed utterances, wherein the bootstrap model is based on text data mined from a website relevant to a specific domain; training a model using manually transcribed data and the automatically transcribed utterances; selecting, based on a geometrically computed n-tuple confidence score, for manual transcription, a predetermined number of utterances, from the utterance data, not having a corresponding manual transcription to yield new manually transcribed data; receiving the new manually transcribed data; and permitting labeling of one of the automatically transcribed utterances and one of the new manually transcribed data and the manually transcribed data.
25. The computer-readable storage device of claim 19 , wherein training a model using manually transcribed data and the automatically transcribed utterances further comprises training a language model.