2007;Das and Smith 2009), our approach operates over a combined PCFG-dependency representation.
some configurations in Smith and Eisner (2006) are not so relevant here -instead, we found that deletions, reorderings, flattening of nodes, and the addition of text elements were im-  Figure 1 shows some example alignments that are captured by the QG, with the source node on the left and the target node on the right.