CREDIBILITY ANALYSIS DEVICE AND CREDIBILITY ANALYSIS METHOD

摘要

PROBLEM TO BE SOLVED: To appropriately determine the credibility of a document.SOLUTION: A credibility analysis device 1 configured as a device for analyzing the credibility of a document includes: a document storage part 20 for storing a plurality of documents; a classification part 11 for specifying a reference relation showing that a document of a reference source has been generated by referring to a document of a reference destination in a plurality of documents, and for detecting that a specific operation relating to the credibility of the document of the reference destination is being performed with respect to the document of the reference source shown by the reference relation; a first number calculation part 14 for calculating the first number as the number of the documents of the reference source to which the specific operation is being performed for each document of the reference destination; a credibility determination part 15 for determining the credibility of the document of the reference destination from the first number; and an output part 16 for outputting the information showing the result of determination.