| 摘要 |
PROBLEM TO BE SOLVED: To provide an information analysis system wherein a document is classified according to contents of the document itself without imparting a classification criterion from the outside and wherein the meaning of a document group obtained as a result of the classification is clear to a user. SOLUTION: In this analysis system, a document set is created, numerical expression is extracted from a document inside the document set, an explanation term is extracted from the periphery of the numerical expression, the extracted numerical expression is converted into a combination between a concrete numerical value and a unit, the document is classified according to magnitude of the value converted in each unit, an explanation term having high relevance to the numerical expression of the extracted explanation terms is associated with the numerical value, and a result of the association is displayed to a user. COPYRIGHT: (C)2010,JPO&INPIT
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