| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable an advertiser to compare and examine a plurality of advertisement frames. <P>SOLUTION: An electronic commerce system embodied on a transaction website 1 opened on a network N targets its transaction at a service for contract or commission on advertising. On the transaction website, advertising media owners or advertising agencies accumulate advertisement frames inviting advertisers in an advertisement frame database 3 having searching and sorting means. The advertising frame database is accessible from advertiser terminals 20. Data accumulated in the advertisement frame database and handled as search and sort keys adopt the exposure of media as well as the type, price and content of advertising media. <P>COPYRIGHT: (C)2004,JPO |
