| 摘要 |
PROBLEM TO BE SOLVED: To be able to analyze a document set by considering a relation between documents and a user's point of view.SOLUTION: Respective parts 10, 20, 30 specify a document set, evaluate a relation between respective documents in the document set, and determines whether the relation is a predetermined standard or not. A score calculation part 50 calculates a score of each document on the basis of a relation between each document and another document and a relation between each document and a user's point-of-view document specified by a user's point-of-view document extraction part 40. Respective parts 60 to 63 use a relation between documents and a score of each document to specify, from the whole of the document set, a topic included in the document set, a set of documents relating to the topic, and a role of each of the documents in the document set. An information output part 70 outputs, on the basis of information obtained by the parts 30, 50, 63, a list of main topics included in the document set and documents indicating the topics. |
