| 摘要 |
A system and method for assisting a customer in choosing among commodities (see Fig. 5) based on preferences of the customer [100] that includes identifying at least one first parameter associated with a commodity; associated at least one value to the at least one first parameter; calculating an estimated cost of the commodity based on features of the commodity that are desired by the customer and the customer's usage characteristics; obtaining from the customer a preference weighting on at least one second parameter; calculating an effective cost by adjusting the estimated cost based on the preference weighting and the at least one value assigned to the parameters; and presenting a list of commodities to the customer containing at least the commodity with the lowest effective cost. |
