Apparatus and method for forming a filtered inflected language m

Details Apparatus and method for forming a filtered inflected language m Apparatus and method for forming a filtered inflected language m

1997-08-06

2000-06-06

Isen, Forester W.

Data processing: speech signal processing, linguistics, language

Linguistics

Natural language

704257, G06F 1728, G10L 506, G10L 900

Patent

active

060730919

ABSTRACT:
A method of forming a language model for a language having a selected vocabulary of word forms comprises: (a) mapping the word forms into integer vectors in accordance with frequencies of word form occurrence; (b) partitioning the integer vectors into subsets, the subsets respectively having ranges of frequencies of word form occurrence associated therewith, the subsets being arranged in a descending order of frequency ranges; (c) respectively assigning maps to the subsets; (d) filtering a textual corpora using the maps assigned to the subsets in order to generate indexed integers; (e) determining n-gram statistics for the indexed integers; and (f) estimating n-gram language model probabilities from the n-gram statistics to form the language model.

REFERENCES:
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patent: 5835888 (1998-11-01), Kanevsky et al.
L. Bahl et al., F. Jelinek, R. Mercer, "A Maximum Likelihood Approach to Continuous Speech Recognition", IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. PAMI-5, No. 2, Mar. 1983, pp. 179-190, IV, Language Modeling on p. 181.

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