Model | CPC | PC | ||||||
BLEU-4 | BERT-Score | P-Cover | P-EM | BLEU-4 | BERT-Score | P-Cover | P-EM | |
BERT-HCM | 18.08 | 0.423 | 40.58 | 86.25 | 3.62 | 0.122 | 13.41 | 73.40 |
w/o BERT | 11.08 | 0.345 | 33.69 | 83.86 | 2.23 | 0.069 | 12.89 | 69.70 |
w/o HCM | 16.94 | 0.421 | 38.25 | 85.53 | 3.31 | 0.120 | 13.34 | 70.85 |