CENTRAL MARKET SYSTEM, MARKET CLIENT SYSTEM, DEVICE AND ELECTRONIC MARKET OPERATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a central market system capable of performing a smooth operation and realizing an effective electronic market flexibly responding to a participant's request.;SOLUTION: This central market system 101 for operating at least one electronic market by exchanging information with a market client comprises a receiving part 111 for receiving an estimation request transmitted from a buyer terminal 102 of a market client system; a selection part 112 for selecting a seller terminal 103 of the market client system for selling a commodity related to the received estimation request on the basis of preliminarily registered commodity-seller corresponding information; a transmission part 113 for transmitting the estimation request to the selected seller terminal 103; a receiving part 115 for receiving an estimation returned from the seller terminal 103; and a transmission part 116 for returning the estimation to the buyer terminal 102 of the requester.;COPYRIGHT: (C)2003,JPO