Abstract: It is checked whether or not information requested in an information request is present in a message sharing/storing unit which stores information provided from an information provider and accessibility information setting an information requester which is allowed to access the information. It is also determined whether or not the information requester can access information requested in an information request message based on the accessibility information. When it is determined that the information requested in the information request message is already registered in the message sharing/storing unit and the information requester can access the information, information on a request-reply-message to the information requester is created based on the information in the message sharing/storing unit.

Abstract: A center site is disposed to intervene in a business transaction achieved through a network. The center site includes an open business information database in which open business information received from member sites connected to the network is accumulated to be opened to the sites and a notarization database to keep therein contents of contracts of transactions between the sites. The center site receives a transaction request from a transaction partner site in accordance with the open business information and notifies the request to an information supply site associated therewith. The center site intervenes in a transaction resultantly accomplished between the information supply site and the transaction partner site and conducts a notarization process for the contents of contract for the transaction to accumulate the contract in a notarization database.

Abstract: A center site is disposed to intervene in a business transaction achieved through a network. The center site includes an open business information database in which open business information received from member sites connected to the network is accumulated to be opened to the sites and a notarization database to keep therein contents of contracts of transactions between the sites. The center site receives a transaction request from a transaction partner site in accordance with the open business information and notifies the request to an information supply site associated therewith. The center site intervenes in a transaction resultantly accomplished between the information supply site and the transaction partner site and conducts a notarization process for the contents of contract for the transaction to accumulate the contract in a notarization database.

Abstract: A center site is disposed to intervene in a business transaction achieved through a network. The center site includes an open business information database in which open business information received from member sites connected to the network is accumulated to be opened to the sites and a notarization database to keep therein contents of contracts of transactions between the sites. The center site receives a transaction request from a transaction partner site in accordance with the open business information and notifies the request to an information supply site associated therewith. The center site intervenes in a transaction resultantly accomplished between the information supply site and the transaction partner site and conducts a notarization process for the contents of contract for the transaction to accumulate the contract in a notarization database.

Abstract: Provided is a traceability system 100 configured of: an access request receiving section 152 for receiving an access request to dispersedly located pieces of traceability information through a communication device, an access authority checking section 154 for checking access authority to the traceability information targeted by the access request, a location specification section 156 for specifying a location of a piece of traceability information to which the user requests access, in reference to a location management master database in which each piece of traceability information is associated with a location thereof, and an access request execution section 158 for executing an access request from the user, in accordance with the specified location of the traceability information.

Abstract: A center site is disposed to intervene in a business transaction achieved through a network. The center site includes an open business information database in which open business information received from member sites connected to the network is accumulated to be opened to the sites and a notarization database to keep therein contents of contracts of transactions between the sites. The center site receives a transaction request from a transaction partner site in accordance with the open business information and notifies the request to an information supply site associated therewith. The center site intervenes in a transaction resultantly accomplished between the information supply site and the transaction partner site and conducts a notarization process for the contents of contract for the transaction to accumulate the contract in a notarization database.

Abstract: The exchange of individual progress data for indicating the progress of the electronic-commerce transaction managed by a center site is set as the security target. A seller creates a financing application including a target transaction set as the security and a suggested financing amount of money, then transferring the financing application to the center site. The center site makes an inquiry of a buyer as to whether or not to approve the disclosure of the applied content to the financial institution. If the inquiry result is the disclosure-capable, the center site transfers, to the financial institution, a financing request together with the progress data, and the suggested financing amount of money. The financial institution, based on the requested content of the financing, makes an examination concerning the financing request, thereby notifying the seller of the examination result.

Abstract: A center site is disposed to intervene in a business transaction achieved through a network. The center site includes an open business information database in which open business information received from member sites connected to the network is accumulated to be opened to the sites and a notarization database to keep therein contents of contracts of transactions between the sites. The center site receives a transaction request from a transaction partner site in accordance with the open business information and notifies the request to an information supply site associated therewith. The center site intervenes in a transaction resultantly accomplished between the information supply site and the transaction partner site and conducts a notarization process for the contents of contract for the transaction to accumulate the contract in a notarization database.

Abstract: A center site is disposed to intervene in a business transaction achieved through a network. The center site includes an open business information database in which open business information received from member sites connected to the network is accumulated to be opened to the sites and a notarization database to keep therein contents of contracts of transactions between the sites. The center site receives a transaction request from a transaction partner site in accordance with the open business information and notifies the request to an information supply site associated therewith. The center site intervenes in a transaction resultantly accomplished between the information supply site and the transaction partner site and conducts a notarization process for the contents of contract for the transaction to accumulate the contract in a notarization database.