| http://www.w3.org/ns/prov#value | - A method for proof of transactions in a digital network, especially on the internet, where the acceptance of a bid presented via a bid server comprises: a) a digital form is requested from the bid server by a customer's computer connected to the network, b) the digital form is transmitted from the bid server to the customer's computer and c) form data which comprises the data required for acceptan
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