19. The method of claim 15 , wherein said selecting said alternative product includes identifying a candidate alternative product which: is within a predetermined near-price margin; is within a predetermined near-rank margin for said key attribute and for all attributes of said specific product that are above a predetermined high severity threshold; and has the same primary scenario as said specific product.
15. The method of claim 14 , wherein said alternative product is selected based on at least one of a predetermined near-price margin, a predetermined near-rank margin, and a predetermined severity differential threshold.