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MMTE: Corpus and Metrics for Evaluating Machine Translation Quality of Metaphorical Language

Shun Wang, Ge Zhang, Han Wu, Tyler Loakman, Wenhao Huang, Chenghua Lin


Abstract
Machine Translation (MT) has developed rapidly since the release of Large Language Models and current MT evaluation is performed through comparison with reference human translations or by predicting quality scores from human-labeled data. However, these mainstream evaluation methods mainly focus on fluency and factual reliability, whilst paying little attention to figurative quality. In this paper, we investigate the figurative quality of MT and propose a set of human evaluation metrics focused on the translation of figurative language. We additionally present a multilingual parallel metaphor corpus generated by post-editing. Our evaluation protocol is designed to estimate four aspects of MT: Metaphorical Equivalence, Emotion, Authenticity, and Quality. In doing so, we observe that translations of figurative expressions display different traits from literal ones.
Anthology ID:
2024.emnlp-main.634
Volume:
Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing
Month:
November
Year:
2024
Address:
Miami, Florida, USA
Editors:
Yaser Al-Onaizan, Mohit Bansal, Yun-Nung Chen
Venue:
EMNLP
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
11343–11358
Language:
URL:
https://aclanthology.org/2024.emnlp-main.634
DOI:
10.18653/v1/2024.emnlp-main.634
Bibkey:
Cite (ACL):
Shun Wang, Ge Zhang, Han Wu, Tyler Loakman, Wenhao Huang, and Chenghua Lin. 2024. MMTE: Corpus and Metrics for Evaluating Machine Translation Quality of Metaphorical Language. In Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, pages 11343–11358, Miami, Florida, USA. Association for Computational Linguistics.
Cite (Informal):
MMTE: Corpus and Metrics for Evaluating Machine Translation Quality of Metaphorical Language (Wang et al., EMNLP 2024)
Copy Citation:
PDF:
https://aclanthology.org/2024.emnlp-main.634.pdf
Data:
 2024.emnlp-main.634.data.zip