| 摘要 |
<P>PROBLEM TO BE SOLVED: To increase a probability of allocation to the same group as a user with an exchange, to reduce a processing load relating to a match league, or to achieve a fair class system. <P>SOLUTION: A class is given by receiving a registration request of a user from a user terminal, by assigning a unique user ID to the user who has performed the registration request, and by relating a class ID for indicating one of predetermined kinds of classes to the user ID of the user concerned. From among registered users, a friend registration request for a second user is received from a user terminal of a first user, and the mutual user ID is added to a friend table related to each user ID of the first user and the second user, and a friend relationship is established between the first user and the second user. <P>COPYRIGHT: (C)2013,JPO&INPIT |
