| 摘要 |
An object of the invention is to simplify the procedure for obtaining related information related to specific electronic information such as an electronic ticket. According to the invention, an electronic ticket related information providing system comprising an electronic ticket issuing apparatus, which issues an electronic ticket as specific electronic information through an electronic transaction via a communication network, and a portable terminal, which stores ticket information corresponding to the issued electronic ticket, further includes a related information management apparatus for managing related information that is related to the ticket information and that carries, for example, information about the postponement or cancellation of an event such as a concert, transportation means to the concert site, etc., wherein when requested to provide the related information corresponding to the ticket information stored in the portable terminal, the related information management apparatus transmits the requested related information to the requesting portable terminal.
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