Parsing and translating natural language sentences automatically

Details Parsing and translating natural language sentences automatically Parsing and translating natural language sentences automatically

1996-08-09

1999-07-27

Isen, Forester W.

Data processing: speech signal processing, linguistics, language

Linguistics

Natural language

704 2, G06F 1728

Patent

active

059307463

ABSTRACT:
A sentence of a natural language is automatically parsed by: defining a set of coded tags each corresponding to a respective part-of-speech of a word in a sentence of the language; building a small corpus of sentence dependency structures by annotating with the corresponding coded tags the words in each sentence of a set of sentences having respective exemplary dependency structures to obtain a set of sequences of coded tags representing the dependency structures; determining the statistical parameters of a corpus-based statistical tool, such as a hidden Markov model, from the corpus of sentence dependency structures; tagging the words of an input sentence to be parsed with the corresponding coded tags to obtain a sequence of coded tags to derive therefrom the most probable dependency structure for the input sentence; and generating a dependency parse tree of the sentence from the derived dependency structure and the words of the input sentence. The invention finds particular application in the automatic translation of a first natural language into a second language.

REFERENCES:
patent: 4887212 (1989-12-01), Zamora et al.
patent: 5146405 (1992-09-01), Church
patent: 5477451 (1995-12-01), Brown et al.
patent: 5510981 (1996-04-01), Berger et al.
patent: 5519608 (1996-05-01), Kupiec
patent: 5642522 (1997-06-01), Zaenen et al.
patent: 5696962 (1997-12-01), Kupiec

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