Document analysis systems, document analysis and document analysis program

By quantifying the priority of the documents also need to be monitored and efficient monitoring of the document. A document analysis system 1 comprises a document information document score calculating unit 116 for calculating a score indicating the strength associated with the classification code indicating the relevancy of the document information and the action or no research included in, on the calculated score Therefore, a score and a report unit 701 for reporting the scores to the user.