| 摘要 |
<p>Purpose: The invention provides a sales system in a communication network whereby a mediator in the network permits a purchase wisher to easily get a chance for purchasing his desired commodity for a lowest possible price and a sales wisher to easily get a chance for selling the same commodity as much as possible. Configuration: The mediator can receive bids from both of a purchase wisher and a sales wisher to always announce the bidding results with no limits in period and receive changes in the bidding conditions until transaction conclusion, thus changing conditions based on the transaction conclusion state to provide lowest possible purchase prices and highest possible sales prices. <IMAGE></p> |
