| http://www.w3.org/ns/prov#value | - As shown in FIG. 4, the detail layer 412 may include a detailed description 414 of the product or service offered by the sponsoring merchant; an advertisement or annotated Web page representation 416 providing additional information about the product or service or the sponsoring merchant; an offeror logo or other information about the sponsoring merchant, which may also provide a link to a Web sit
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