| 摘要 |
<p>PROBLEM TO BE SOLVED: To analyze digitalized document information that is collected for presentation as an evidence in a lawsuit and classify the document information for easy utilization in the lawsuit.SOLUTION: A document classification system comprises: a keyword database; a related term database, a first classification part that extracts a document including a keyword recorded in the keyword database from document information and provides the specified classification code to the extracted document on the basis of the keyword correspondence information; and a second classification part that extracts a document including a related term recorded in the related term database from the document information with no specific classification code provided in the first classification part, calculates a score on the basis of an evaluation value of the related term included in the extracted document and the number of related terms, and provides the predetermined classification code to the document with the score exceeding a certain value among the documents including the related term, on the basis of the score and the related term correspondence information.</p> |
