2. The method of claim 1 , wherein the at least one score type comprises at least the first score type and a second score type, and wherein the threshold is a first threshold, and wherein when the first threshold is not met, the method comprises: analyzing, using the computer device, the potential completion candidates by calculating an absolute value of the difference between the values of the potential completion candidates for the second score type specified by the lex ordering and comparing the absolute value of the difference to a second threshold; and when the second threshold is met, ordering the potential completion candidates such that the potential completion candidate with the greater value for the second score type is ahead of the potential completion candidate with the lesser value for the second score type.
2. The method of claim 1 , wherein the at least one score type comprises at least the first score type and a second score type, and wherein the threshold is a first threshold, and wherein when the first threshold is not met, the method comprises: analyzing, using the computer device, the potential completion candidates by calculating an absolute value of the difference between the values of the potential completion candidates for the second score type specified by the lex ordering and comparing the absolute value of the difference to a second threshold; and when the second threshold is met, ordering the potential completion candidates such that the potential completion candidate with the greater value for the second score type is ahead of the potential completion candidate with the lesser value for the second score type. 3. The method of claim 2 , wherein the first threshold and the second threshold are different.