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The DRAGON system--An overview

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1 Author(s)
Baker, J. ; IBM Thomas J. Watson Research Center, Yorktown Heights, N.Y.

This paper briefly describes the major features of the DRAGON speech understanding system. DRAGON makes systematic use of a general abstract model to represent each of the knowledge sources necessary for automatic recognition of continuous speech. The model--that of a probabilistic function of a Markov process--is very flexible and leads to features which allow DRAGON to function despite high error rates from individual knowledge sources. Repeated use of a simple abstract model produces a system which is simple in structure, but powerful in capabilities.

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:23 ,  Issue: 1 )