20. The computer readable medium of claim 19 , wherein the applying comprises: appending, by the computer based system, an age of the data associated with the relationship to the match confidence code for each relationship in the set of relationships.
19. The computer readable medium of claim 16 , wherein the determining comprises: appending, by the computer based system, the internal data associated with each relationship in the set of relationships to the match confidence code for each relationship in the set of relationships; and applying, by the computer based system, a rule to the internal data and match confidence code associated with each relationship in the set of relationships to generate the link confidence code for the customer.