Papers with reward shaping strategy
Look Harder: A Neural Machine Translation Model with Hard Attention (P19-1)
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| Challenge: | Soft-attention based Neural Machine Translation models attend all the words in the source sequence for each target token, which makes them ineffective for long sequence translation. |
| Approach: | They propose a hard-attention based NMT model which selects a subset of source tokens for each target token to effectively handle long sequence translation. |
| Outcome: | The proposed model performs better on long sequences and achieves significant improvement on English-German and English-French translation tasks compared to soft-attention based models. |