| 摘要 |
PROBLEM TO BE SOLVED: To simplify narrowing of a targeted file when files are retrieved.SOLUTION: A first display area 22 of a file retrieval screen 20 has a plurality of windows 30 for displaying registered classification names (category names), and the registered category names displayed on the windows 30 for displaying the classification names can be changed, and priority of classifications registered by changing the category names can be changed. A second display area 24 displays classifications and key words 16 registered by a user in a tree structure. A third display area 26 displays copy files 42 related to the key words 16 selected by the user. |
