| http://www.w3.org/ns/prov#value | - A method of competitively bidding on a plurality of items comprising the steps of identifying a plurality of related items, offering said plurality of items to a plurality of potential bidders, receiving bids from said bidders for both individual ones of said items and a plurality of groups of said items, each of said groups including one or more of said items, said items and groups being any numb
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