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        <title>Sentiment-based Candidate Selection for NMT</title>
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            <title>Proceedings of Machine Translation Summit XVIII: Research Track</title>
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            <namePart type="given">Kevin</namePart>
            <namePart type="family">Duh</namePart>
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    <abstract>The explosion of user-generated content (UGC)—e.g. social media posts and comments and and reviews—has motivated the development of NLP applications tailored to these types of informal texts. Prevalent among these applications have been sentiment analysis and machine translation (MT). Grounded in the observation that UGC features highly idiomatic and sentiment-charged language and we propose a decoder-side approach that incorporates automatic sentiment scoring into the MT candidate selection process. We train monolingual sentiment classifiers in English and Spanish and in addition to a multilingual sentiment model and by fine-tuning BERT and XLM-RoBERTa. Using n-best candidates generated by a baseline MT model with beam search and we select the candidate that minimizes the absolute difference between the sentiment score of the source sentence and that of the translation and and perform two human evaluations to assess the produced translations. Unlike previous work and we select this minimally divergent translation by considering the sentiment scores of the source sentence and translation on a continuous interval and rather than using e.g. binary classification and allowing for more fine-grained selection of translation candidates. The results of human evaluations show that and in comparison to the open-source MT baseline model on top of which our sentiment-based pipeline is built and our pipeline produces more accurate translations of colloquial and sentiment-heavy source texts.</abstract>
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%0 Conference Proceedings
%T Sentiment-based Candidate Selection for NMT
%A Jones, Alexander
%A Wijaya, Derry
%Y Duh, Kevin
%Y Guzmán, Francisco
%S Proceedings of Machine Translation Summit XVIII: Research Track
%D 2021
%8 August
%I Association for Machine Translation in the Americas
%C Virtual
%F jones-wijaya-2021-sentiment
%X The explosion of user-generated content (UGC)—e.g. social media posts and comments and and reviews—has motivated the development of NLP applications tailored to these types of informal texts. Prevalent among these applications have been sentiment analysis and machine translation (MT). Grounded in the observation that UGC features highly idiomatic and sentiment-charged language and we propose a decoder-side approach that incorporates automatic sentiment scoring into the MT candidate selection process. We train monolingual sentiment classifiers in English and Spanish and in addition to a multilingual sentiment model and by fine-tuning BERT and XLM-RoBERTa. Using n-best candidates generated by a baseline MT model with beam search and we select the candidate that minimizes the absolute difference between the sentiment score of the source sentence and that of the translation and and perform two human evaluations to assess the produced translations. Unlike previous work and we select this minimally divergent translation by considering the sentiment scores of the source sentence and translation on a continuous interval and rather than using e.g. binary classification and allowing for more fine-grained selection of translation candidates. The results of human evaluations show that and in comparison to the open-source MT baseline model on top of which our sentiment-based pipeline is built and our pipeline produces more accurate translations of colloquial and sentiment-heavy source texts.
%U https://aclanthology.org/2021.mtsummit-research.16
%P 188-201

Markdown (Informal)

[Sentiment-based Candidate Selection for NMT](https://aclanthology.org/2021.mtsummit-research.16) (Jones & Wijaya, MTSummit 2021)

• Sentiment-based Candidate Selection for NMT (Jones & Wijaya, MTSummit 2021)

ACL

• Alexander Jones and Derry Wijaya. 2021. Sentiment-based Candidate Selection for NMT. In Proceedings of Machine Translation Summit XVIII: Research Track, pages 188–201, Virtual. Association for Machine Translation in the Americas.