DOCUMENT SET CLASSIFICATION DEVICE AND ITS PROGRAM

摘要

PROBLEM TO BE SOLVED: To apply a more suitable classification which has excellent exhaustiveness without depending on the characteristics of specific languages. SOLUTION: This document set classification device for applying a classification to a document set being the group of a plurality of documents is provided with: a decision means 101 for deciding whether the theme of the document set is related with a single specific expression or a plurality of specific expressions and further deciding to which specific expression class the specific expressions are belonging; and an output means 102 for outputting information about a classification specified by two factors, that is, whether the specific expressions related with the theme are single or a plurality and to which specific expression class the specific expressions are belonging on the basis of the decision result of the decision means 101. COPYRIGHT: (C)2005,JPO&NCIPI