Research Article
A Bichannel Transformer with Context Encoding for Document-Driven Conversation Generation in Social Media
Table 4
Ablation study in terms of BLEU scores and METEOR score.
| Model | BLEU-1 | BLEU-2 | BLEU-3 | BLEU-4 | METEOR |
| BCTCE | 9.98 | 3.56 | 2.05 | 1.42 | 5.22 | +copy | 9.53 | 3.21 | 1.70 | 1.08 | 4.95 | -document | 8.55 | 2.33 | 0.95 | 0.46 | 4.62 | -history | 8.50 | 2.84 | 1.51 | 1.01 | 4.54 | -context encoder | 7.68 | 1.96 | 0.74 | 0.34 | 4.06 | -utterance encoder | 9.87 | 3.34 | 1.89 | 1.30 | 5.13 | -bi_channel | 9.40 | 3.05 | 1.58 | 1.02 | 4.80 |
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