A Hierarchical Reinforced Sequence Operation Method for Unsupervised Text Style Transfer
Table 4: Automatic evaluation results for classification accuracy and BLEU with human reference. Human denotes human references. Note that Acc for human references are relatively low; thus, we do not consider it as a valid metric for comparison.
['[EMPTY]', '[BOLD] Yelp Acc', '[BOLD] Yelp BLEU', '[BOLD] Amazon Acc', '[BOLD] Amazon BLEU']
It should be noted that the classification accuracy for human reference is relatively low (74.7% on Yelp and 43.2% on Amazon); thus, we do not consider it as a valid metric for comparison. For BLEU score, our method outperforms recent systems by a large margin, which shows that our outputs have higher overlap with reference sentences provided by humans.