NATURAL LANGUAGE PROCESSOR, NATURAL LANGUAGE PROCESSING METHOD AND NATURAL LANGUAGE PROCESSING PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a natural language processor which conducts a synonymous word conversion for multiple morpheme units.

SOLUTION: A natural language processor includes: a storage part for storing a synonymous word dictionary in which each synonymous word is associated with synonymous word conversion object word; a morpheme analysis part for performing morpheme analysis of document data; and a synonymous word conversion part for determining whether continuous multiple morphemes among morphemes included in the morpheme analysis result coincide with a synonymous word conversion object word by using the result of the morpheme analysis result and the synonymous word dictionary, and converts the synonymous word conversion object word for which the coincidence is determined into a corresponding synonymous word.

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