IULC Publications

Phrase-Structure Parsing

By Kenneth Church

In this thesis, Dr. Church applies the methods of phrase-structure parsing to the problem of speech recognition. Unlike those approaches to recognition which treat allophonic variation as introducing a kind of "noise" which multiplies the complexity of the recognition task, the approach taken here exploits variant cues by translating phonological generalizations into phrase-structure rules which are then used to parse utterances into syllables and other supersegmental constituents. Thus, the allophonic constraints of a language are interpreted as providing useful information which, in combination with a standard use of invariant cues, helps to match portions of an utterance with entries from the lexicon.

264 pages
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