Pronunciation of the English word bleu.
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1. | BLEU (Bilingual Evaluation Understudy) is a method for evaluating the quality of translations made by machine translation systems. The higher the quality of a translation, the more similar it is to a reference translation, which is assumed to be correct. | |
2. | The BLEU metric ranges from 0 to 1. Few translations will attain a score of 1 unless they are identical to a reference translation. For this reason, even a human translator will not necessarily score 1. |