| 摘要 |
<p>PROBLEM TO BE SOLVED: To statistically specify features of user's likings and facilitate information utilization by recording the contents of an individual preference of the user. SOLUTION: Each user prepares an individual preference, where his or her liking of information is recorded in key word format, on an individual preference recording means 5. When the user A uses informationαpresent in an information storage means 7, a use management record altering means 4 reads out the preference of the user A recorded in the individual preference recording means 5, and generates a use management recording book after the user A uses the informationαin the form of a key word and its appearance frequency, to be stored in a use management recording means 6. Consequently, user's preferences are recorded by information items to make clear what preference a user has and what information the user uses.</p> |
