| 摘要 |
A document classification system analyzes digital document information which is collected to be submitted as evidence in a lawsuit and classifies the digital document information so as to be facilitated in the lawsuit. The document classification system includes an extraction section that extracts a predetermined number of documents from the collected document information, a document display section that displays the extracted document group on a screen, a classification code receiving section that receives a classification code which is assigned to the displayed document group by a user on the basis of relation to the lawsuit, a selection section that classifies the extracted document group for each classification code on the basis of the classification code, analyzes a keyword which commonly appears in the classified document group, and selects the keyword, a database that records the selected keyword, a search section that searches for the keyword recorded in the database from the document information, a score calculation section that calculates a score indicating relation between the classification code and the document, using the search result of the search section and the analysis result of the selection section, and an automatic classification section that automatically assigns the classification code on the basis of the result of the score. |
