Method for building linguistic models from a corpus
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United States of America Patent
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Jul 2, 2002
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N/A
app pub date -
Nov 19, 1999
filing date -
Dec 9, 1998
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Abstract
A method iteratively integrates clustering techniques with phrase acquisition techniques to build complex linguistic models from a corpus. A set of features is initialized by the corpus. Thereafter, the method determines, according to a predetermined cost function, to process the features by one of phrase clustering processing or phrase grammar learning processing. If phrase clustering processing is performed, the method processes an interstitial set of features comprising both the old features and newly established clusters by phrase grammar learning processing. The features obtained as an output of phrase grammar learning is re-indexed as a set of features for a subsequent iteration. The method may be repeated over several iterations to build a hierarchical linguistic model.
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