REQUEST EXTRACTION APPARATUS, METHOD AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a request extraction apparatus for extracting potential requests as well as direct requests written in document data.

SOLUTION: The request extraction apparatus includes: a collection means 100 for collecting document data containing predetermined keywords; a first extraction means 102 for extracting negative expressions containing ending patterns that are negative to the keywords as expressions of dissatisfaction from the document data collected by the collection means 100; a first specification means 104 for specifying character strings in the negative expressions except the negative ending patterns as direct requests to the keywords; and a second specification means 106 for specifying character strings containing direct requests as potential requests to the keywords from the document data collected by the collection means 100.

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