Contents
What is a good score for Bleu?
Even comparing BLEU scores for the same corpus but with different numbers of reference translations can be highly misleading….Interpretation.
| BLEU Score | Interpretation |
|---|---|
| 40 – 50 | High quality translations |
| 50 – 60 | Very high quality, adequate, and fluent translations |
| > 60 | Quality often better than human |
How does bleu score work?
The BLEU metric scores a translation on a scale of 0 to 1, in an attempt to measure the adequacy and fluency of the MT output. The closer to 1 the test sentences score, the more overlap there is with their human reference translations and thus, the better the system is deemed to be.
What does BLEU score indicate?
BLEU (bilingual evaluation understudy) is an algorithm for evaluating the quality of text which has been machine-translated from one natural language to another. Few human translations will attain a score of 1, since this would indicate that the candidate is identical to one of the reference translations.
What is the meaning of BLEU?
Bleu, meaning “blue” in French, rhymes with Dieu, making it a handy way to avoid blasphemy. In order to show how French a person or character was, they might sprinkle in a sacré bleu as an exclamation into the text.
What does bleu score indicate?
What does BLEU stand for?
bilingual evaluation understudy
BLEU (bilingual evaluation understudy) is an algorithm for evaluating the quality of text which has been machine-translated from one natural language to another.
What language is BLEU?
English Translation of “bleu” | Collins French-English Dictionary.
What is the BLEU score for a translation?
The BLEU metric ranges from 0 to 1. Few translations will attain a score of 1 unless they are identical to a reference translation.
Who is the creator of the BLEU score?
The BLEU score was proposed by Kishore Papineni, et al. in their 2002 paper “ BLEU: a Method for Automatic Evaluation of Machine Translation “.
Is it possible to get a perfect BLEU score?
A perfect score is not possible in practice as a translation would have to match the reference exactly. This is not even possible by human translators. The number and quality of the references used to calculate the BLEU score means that comparing scores across datasets can be troublesome.
How to calculate the BLEU score for 1 gram?
To calculate the BLEU score only for 1-gram matches, you can specify a weight of 1 for 1-gram and 0 for 2, 3 and 4 (1, 0, 0, 0). For example: Running this example prints a score of 0.5. We can repeat this example for individual n-grams from 1 to 4 as follows: Running the example gives the following results.