13. The system of claim 11 , further comprising ranking the initial weighting values for two or more candidate translation units, wherein the ranking is based on a ranking of results of scoring functions for one or more pairs of candidate translation units.
13. The system of claim 11 , further comprising ranking the initial weighting values for two or more candidate translation units, wherein the ranking is based on a ranking of results of scoring functions for one or more pairs of candidate translation units. 14. The system of claim 13 , wherein the translating module is further configured to sample two or more candidate translation units, wherein the ranking is applied to translation parameters of the sampled candidate translation units.