PRIZE DRAWING METHOD AND MECHANISM IN SHOPPING DISTRICT NETWORK SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a shop contributing to the investment for prize service, with corresponding advertisement effect.;SOLUTION: When a purchaser purchases a commodity from a shop terminal 30 by using a user terminal 10 through a shopping district common server 20, the shopping district common server 20 integrates a price to an accumulated purchase price by each shop, managed by purchaser's ID in database prepared in advance, then the total purchase price by each shop, of each purchaser is taken out of the database, and the total winning probability is determined to execute the drawing on the basis of the total purchase price by each shop, of each purchaser, and a curved line of winning probability assigned corresponding to the investment amount for the prize service of each shop, in a prize service season.;COPYRIGHT: (C)2002,JPO