| http://www.w3.org/ns/prov#value | - To achieve the objects, according to the seventeenth aspect of the present invention, there is provided is a method for realizing a settlement agency system in an electronic commerce method employing a deferred payment technique, for paying a price of at least one product to be purchased by at least one purchaser, and said method comprising the steps of: receiving, from a seller system, a request
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