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        <title>Neural Machine Translation with Heterogeneous Topic Knowledge Embeddings</title>
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        <namePart type="given">Weixuan</namePart>
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            <title>Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing</title>
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            <namePart type="given">Marie-Francine</namePart>
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            <namePart type="given">Xuanjing</namePart>
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    <abstract>Neural Machine Translation (NMT) has shown a strong ability to utilize local context to disambiguate the meaning of words. However, it remains a challenge for NMT to leverage broader context information like topics. In this paper, we propose heterogeneous ways of embedding topic information at the sentence level into an NMT model to improve translation performance. Specifically, the topic information can be incorporated as pre-encoder topic embedding, post-encoder topic embedding, and decoder topic embedding to increase the likelihood of selecting target words from the same topic of the source sentence. Experimental results show that NMT models with the proposed topic knowledge embedding outperform the baselines on the English -\ensuremath&gt; German and English -\ensuremath&gt; French translation tasks.</abstract>
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%0 Conference Proceedings
%T Neural Machine Translation with Heterogeneous Topic Knowledge Embeddings
%A Wang, Weixuan
%A Peng, Wei
%A Zhang, Meng
%A Liu, Qun
%Y Moens, Marie-Francine
%Y Huang, Xuanjing
%Y Specia, Lucia
%Y Yih, Scott Wen-tau
%S Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing
%D 2021
%8 November
%I Association for Computational Linguistics
%C Online and Punta Cana, Dominican Republic
%F wang-etal-2021-neural
%X Neural Machine Translation (NMT) has shown a strong ability to utilize local context to disambiguate the meaning of words. However, it remains a challenge for NMT to leverage broader context information like topics. In this paper, we propose heterogeneous ways of embedding topic information at the sentence level into an NMT model to improve translation performance. Specifically, the topic information can be incorporated as pre-encoder topic embedding, post-encoder topic embedding, and decoder topic embedding to increase the likelihood of selecting target words from the same topic of the source sentence. Experimental results show that NMT models with the proposed topic knowledge embedding outperform the baselines on the English -\ensuremath> German and English -\ensuremath> French translation tasks.
%R 10.18653/v1/2021.emnlp-main.256
%U https://aclanthology.org/2021.emnlp-main.256/
%U https://doi.org/10.18653/v1/2021.emnlp-main.256
%P 3197-3202

Markdown (Informal)

[Neural Machine Translation with Heterogeneous Topic Knowledge Embeddings](https://aclanthology.org/2021.emnlp-main.256/) (Wang et al., EMNLP 2021)

• Neural Machine Translation with Heterogeneous Topic Knowledge Embeddings (Wang et al., EMNLP 2021)

ACL

• Weixuan Wang, Wei Peng, Meng Zhang, and Qun Liu. 2021. Neural Machine Translation with Heterogeneous Topic Knowledge Embeddings. In Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, pages 3197–3202, Online and Punta Cana, Dominican Republic. Association for Computational Linguistics.