| 摘要 |
<P>PROBLEM TO BE SOLVED: To support user's research by integrally using a user profile, arguments between researchers, a transaction history, etc. <P>SOLUTION: A participating researcher stores his or her user profile in a user profile database 13, and books are recommended and traded by a business transaction mechanism 15, and opinions are exchanged for joint research or the like between researchers by an information exchanging argument part 19, and a user group profile database 13a is updated on the basis of information of groups formed through exchange of opinions, and analysis and processing results of contents of arguments are stored in an argument database 18, and information in the argument database 18 is integrally used, and a group interesting to the user and user's taste are used to update the user profile, and feedback is always performed in this cycle, whereby information useful for the user is provided in real time. <P>COPYRIGHT: (C)2008,JPO&INPIT |
