| http://www.w3.org/ns/prov#value | - Method for proof of transactions in a digital network, especially on the internet, where the acceptance of a bid presented via a bid server takes place by means of the fact that a) a digital form is requested from the bid server (3) by a customer's computer (1) connected to the network, b) the form is transmitted from the bid server (3) to the customer's computer (1) and c) the form data entered i
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