Improving Neural Machine Translation with AMR Semantic Graphs

Table 5

The effect of aggregators on the machine translation quality.

Model	tst2013			tst2015
	MA	MP	GCN-A	MA	MP	GCN-A
Uni-LSTM-AMR	26.97	26.54	26.55	24.81	24.22	24.47
Uni-LSTM-AMR-F	26.85	27.21	26.76	24.59	24.86	24.48
Uni-LSTM-AMR-B	26.61	27.22	26.42	24.66	24.85	24.47
Bi-LSTM-AMR	29.29	28.94	28.38	26.41	26.24	25.59
Bi-LSTM-AMR-F	28.67	28.99	28.43	26.20	25.81	25.70
Bi-LSTM-AMR-B	28.36	28.40	28.41	26.04	25.90	25.81