3 Using all rule table, our joint method significantly outperforms the best single system SF by +1.96 and +1.66 points on MT04 and MT05 respectively, and also outperforms the lattice-based system by +1.46 and +0.93 points.
recently, many researchers have shown that replacing 1-best tokenizations with lattices improves translation performance significantly (Xu et al., 2005;Dyer et al., 2008;Dyer, 2009).