Compound word splitting for directory assistance services

Details Compound word splitting for directory assistance services Compound word splitting for directory assistance services

2006-12-13

2010-12-28

Han, Qi (Department: 2626)

Data processing: speech signal processing, linguistics, language

Linguistics

Translation machine

C704S001000, C704S009000, C704S010000, C704S246000

Reexamination Certificate

active

07860707

ABSTRACT:
A computer-implemented method is disclosed for improving the accuracy of a directory assistance system. The method includes constructing a prefix tree based on a collection of alphabetically organized words. The prefix tree is utilized as a basis for generating splitting rules for a compound word included in an index associated with the directory assistance system. A language model check and a pronunciation check are conducted in order to determine which of the generated splitting rules are mostly likely correct. The compound word is split into word components based on the most likely correct rule or rules. The word components are incorporated into a data set associated with the directory assistance system, such as into a recognition grammar and/or the index.

REFERENCES:
patent: 4890230 (1989-12-01), Tanoshima et al.
patent: 5839107 (1998-11-01), Gupta et al.
patent: 2003/0097252 (2003-05-01), Mackie
patent: 2005/0033565 (2005-02-01), Koehn
patent: 2006/0004744 (2006-01-01), Nevidomski (Alex Nevidomski) et al.

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