US Patent 8046269 Auction based procurement system

A method and system for performing an auction by determining a request for an item based on at least one of (i) an item to purchase, (ii) a performance specification of the item to purchase, and (iii) a term of a request for the item to purchase. The method and system include sending, through a network, the request for the item to an auctioneer machine server. Performance information is collected for each seller. Notice is provided that a performance evaluation has been received for a specific seller, and is on record with the provider of the information. Additional transaction costs may be captured and included as a separate line item in an auto-rebid auction environment.