METHOD AND SYSTEM OF BUYING AND SELLING WITH USING MEANING INFORMATION NETWORK

摘要

PROBLEM TO BE SOLVED: To improve real time property of delivery of buying and selling request information, and safety relating to confidential information of a candidate for buyer and a seller. SOLUTION: A sending terminal sending data, and a meaning information network comprising a receiving terminal provided with a filter defined by a type and acquisition conditions to selectively receive the data are used in this buying and selling method. The method includes a first step that the sending terminal sends buying request which designated conditions are given to as the data, a second step that the receiving terminal receiving the buying request sent as the data returns a selling request which designated conditions are given to, and a third step that the sending terminal receiving the selling request returned in the second step indicates the received selling request.