TEXT CORRECTION PROGRAM AND METHOD FOR CORRECTING TEXT CONTAINING UNKNOWN WORD, AND TEXT ANALYSIS SERVER

摘要

PROBLEM TO BE SOLVED: To provide a text correction program for correcting text into text suitable for text analysis by preventing text information including a colloquial "informal expression" from being determined as unknown words even when text information includes the "informal expression".

SOLUTION: The text correction program allows a computer to function as: a reference text storage means for storing a set of correction reference text information; a reference text retrieving means for retrieving one or more kinds of correction reference text information similar to the contents of analysis object text information with the use of the reference text storage means; an unknown word extracting means for dividing the analysis object text information into morphemes and extracting the unknown word; a retrieval key generating means for generating a retrieval key constituted of the unknown word and at least one of the adjacent morphemes before and after the unknown word; a correction rule retreiving means for retrieving one or more correction rules similar to the unknown word with the use of the retrieval key from the correction reference text information; and a correction rule selecting means for selecting one correction rule based on a text constitution index among the correction rules.

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