Patent ID: 7428511
Filing Date: 2008-09-23
Classification: G06Q,G07F

Abstract:
1. A method of achieving electronic business transactions in an electronic business transaction system including a plurality of member sites, a center site, and a network to connect the member sites and the center site to each other, said method comprising: determining acceptance/rejection of a new site that requested to join the member sites and determining an authentication level of the new site, which has been accepted as one of the member sites; assigning an ID to the new site by referring to a member information database to register the new site into the member information database, wherein the ID is assigned after acceptance by the new site to join the member sites, and wherein the ID has not been assigned to other member sites; storing, in an authentication database, an authentication level for each of the member sites, wherein the authentication level is used to limit a transaction range of each of the member sites; identifying and authenticating a member site when the member site connects to the center site; limiting electronic business transactions of the connected member site based on an authentication level corresponding to the member site; storing, in an open business information database included in said center site, information of open businesses issued by the plurality of member sites to find business partners, said information of open businesses describing products and/or services desired to be purchased or being offered for purchase by said member sites, thereby permitting said member sites to be either a seller or a purchaser of products and/or services; receiving, in said center site, a request from a member site to access said information of open businesses of said open business information database so as to search said information of open businesses to determine products and/or services of interest; receiving, at said center site, an order specification from said member site, said order specification representing an order by said member site to sell or purchase products and/or services of interest described by the requested information received from said center site, wherein said member site selects another member site as an order destination member site with which a transaction is to be conducted based on the requested information; transmitting, from said center site to said order destination member site, said order specification based on the requested information from said open business information database to permit the transaction to be conducted between said member site and said order destination member site; storing in a notarization database contract amount, delivery information, and payment information; registering the contract amount, delivery information, and payment information into the notarization database; and evaluating enterprises based on an evaluating function using amount of transactions, a rate of retarded delivery, and a rate of retarded payment from past contracts in the notarization database.