Improving Transformer-Based Neural Machine Translation with Prior Alignments

Table 7

Translations of a Vietnamese sentence comprising 10 tokens.

	Testcase 1
Vietnamese source	“chỉ có siêu nhân mới làm được như vậy.”
English reference	“only Superman can do that.”
Translation by transformer	“only a new scan can do so.”
Translation by transformer-M	“only an ultrasound is done as well.”
Translation by transformer-S3	“only Superman are done.”