Guided Alignment Training for Topic-Aware Neural Machine Translation
Table 2: Comparison of different approaches for topic-aware NMT.
['E-commerce En→Fr', 'BLEU', 'TER']
The BLEU score of such system (18.3%) is even below the baseline (18.6%). In contrast, the human-labeled categories are more reliable and are able to positively influence word selection in the NMT decoder, significantly (19.7% BLEU) outperforming the baseline.