Model | BLEU-1/2/3/4 | F1 | BERT-Score | P-Cover | P-EM |
S2SA | 10.02/2.81/0.85/0.27 | 16.72 | -0.196 | 9.03 | 50.39 |
PGN | 13.01/2.62/0.58/0.11 | 15.17 | -0.160 | 8.36 | 54.13 |
Transformer | 19.18/8.57/4.71/2.52 | 19.16 | 0.111 | 13.31 | 70.57 |
TransferTransfo | 16.77/7.60/3.95/2.08 | 17.47 | 0.154 | 12.87 | 71.49 |
LIC | 18.07/7.77/3.88/1.97 | 18.74 | 0.180 | 12.28 | 69.68 |
BERT2BERT | 20.66/9.90/5.91/3.40 | 20.43 | 0.118 | 13.41 | 70.99 |
BERT-HCM | 21.73/10.71/6.39/3.62 | 21.24 | 0.122 | 13.69 | 73.40 |