| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method of presenting premiums that is convenient for both an event provider and participants, ensuring independency between an event organizer and a premium provider and between a user gaining the premium and a user receiving the premium. <P>SOLUTION: An event organizer's server 2 provides a notification of the URL of a premium exchange site to the terminal 4 of the user who gained the premium. On receiving the notification, the terminal 4 accesses the premium exchange site of the event organizer's server 2 according to the URL to receive a content including authentication information. On receiving the content from the user who gained the premium, the user who is to receive the premium sends the content to the premium provider's server 3 from the terminal 5 of the user who received the premium. Based on the authentication information included in the content, the premium provider's server 3 authenticates the eligibility of the user who is to receive the premium, and a process for presenting the premium to the premium-receiving user is carried out according to the authentication result. <P>COPYRIGHT: (C)2004,JPO</p> |
