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Table 6:

Counts of AMR graphs with different number of edges for the test split and the BLEU scores of different models on these graphs.

Model	Number of edges
Model	1−10	11−20	21−
#count	425	452	494

S2S	30.8	21.4	19.7
GraphLSTM	+4.3	+2.9	+0.8
Graph Transformer	+6.2	+4.6	+3.8

Model	Number of edges
Model	1−10	11−20	21−
#count	425	452	494

S2S	30.8	21.4	19.7
GraphLSTM	+4.3	+2.9	+0.8
Graph Transformer	+6.2	+4.6	+3.8