Method and apparatus for natural language processing

Details Method and apparatus for natural language processing Method and apparatus for natural language processing

G - Physics

06

F

354/229

G06F 17/28 (2006.01) G06F 17/27 (2006.01)

Patent

CA 1235817

ABSTRACT OF THE DISCLOSURE A natural language including Japanese, Korean, Chinese, etc., is suitably processed when an undefined word which is not registered in a dictionary appears in an input character train. When the undefined word appears, semantic analysis means decides a semantic concept of the undefined word by using a case dictionary, and further by using a vocabulary hierarchy dictionary which registers vocabularies in a hierarchy structure, the semantic analysis means extracts a group of vocabu- laries (synonyms) corresponding to a lower concept of the semantic concept of the undefined word. The natural language processing can be achieved practically and efficiently with the dictionaries of a limited storage capacity.

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