BLEU: a Method for Automatic Evaluation of Machine Translation
Papineni et al., 2002, BLEU (Proceedings of the 40th Annual Meeting of ACL)
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5 BLEU vs the human evaluation
- How well did BLEU correlate with human judgments?Linear regression of human scores on BLEU (two references, five systems) gave correlation 0.99 with monolingual judges and 0.96 with bilingual judges; BLEU even captured the small difference between two close MT systems and the large gap between MT and human translations.
- Papineni et al., 2002, BLEU (Proceedings of the 40th Annual Meeting of ACL), §5
Source
- Kishore Papineni, Salim Roukos, Todd Ward and Wei-Jing Zhu. 2002. BLEU: a Method for Automatic Evaluation of Machine Translation. In Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics, pp. 311–318. https://aclanthology.org/P02-1040/