As a result, there is a large amount of previous research that handles the problem of reordering through the use of improved reordering models for phrase-based SMT , hierarchical phrase-based translation (Chiang, 2007), syntax-based translation (Yamada and Knight, 2001), or preordering (Xia and McCord, 2004).
systems that use sourcelanguage syntax allow for the handling of longdistance reordering without large increases in The first author is now affiliated with the Nara Institute of Science and Technology.