| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electronic prize competition system capable of not only minimizing the disclosure of personal information and facilitating application for a prize competition but also preventing the fraudulence of both applicant and sponsor and allowing especially a user to participate in the prize competition at ease, with respect to the electronic prize competition system for the prize competition through the Internet. <P>SOLUTION: The personal information holding apparatus 1 holds the personal information of an applicant, and the electronic lottery apparatus 2 acquires an identifier corresponding to an applicant from the personal information holding means 1 for the application of the applicant, and for the decision of a winner, calculates a feature amount from the plurality of acquired identifiers, generates a pseudo random number from the feature amount and decides a winning identifier from the pseudo random number. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
