| http://www.w3.org/ns/prov#value | - However, the present invention is not restricted by the quality and kind of supplies (including services) to which it applies. [0065]FIG. 1 is a schematic diagram of the overall system according to an embodiment of the present invention. [0066] In FIG. 1, 100A, . . . ,100N denote users who act as order-makers, that is, a concept including individuals other than business entities such as companies
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