Model | BLEU-1/2/3/4 | F1 | BERT-Score | P-Cover | P-EM |
S2SA | 28.80/9.32/2.50/0.56 | 31.80 | 0.103 | 25.49 | 72.67 |
PGN | 31.00/12.13/4.86/1.96 | 33.17 | 0.119 | 26.52 | 73.40 |
Transformer | 34.47/23.11/16.93/12.71 | 40.25 | 0.357 | 36.69 | 85.24 |
TransferTransfo | 37.66/26.36/20.24/15.89 | 41.01 | 0.368 | 40.33 | 85.95 |
LIC | 34.86/23.64/17.46/13.19 | 42.64 | 0.387 | 31.95 | 84.18 |
BERT2BERT | 38.15/26.99/20.76/16.24 | 45.66 | 0.417 | 36.69 | 85.45 |
BERT-HCM | 39.59/28.69/22.59/18.08 | 46.01 | 0.423 | 40.58 | 86.25 |