6. The method of claim 5 , wherein the signal indicates whether the first portion of data relating to the offer to sell products compares equally or unequally to the first portion of the data relating to the request for the offer to sell products.
5. A method comprising: a computer system comparing a first portion of data relating to an offer to sell products and a first portion of data relating to a request for the offer to sell products; the computer system, in response to comparing the first portion of data relating to the offer to sell products and the first portion of data relating to the request for the offer to sell products, generating a signal that indicates the offer is an exact match with the request if the first portions of data match and indicates the offer is an inexact match with the request if the first portions of data do not match; the computer system adjusting at least a subset of the inexact matches to allow comparison between the exact matching offers and the adjusted inexact matching offers, wherein adjusting at least a subset of the inexact matches comprises applying a normalization algorithm to the inexact matching offers; and the computer system comparing the adjusted inexact matching offers and the exact matching offers.