| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS [0008] Preferred embodiments of the present invention will now be described by way of example and with reference to the drawings, in which: [0009]FIG. 1 is a diagram illustrating a retail store transaction (prior art) FIG. 2 is a diagram illustrating an online transaction (prior art), and FIG. 3 is a diagram illustrating a preferred retail store transaction, and F
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