Understanding Bleu Score

BLEU (Bilingual Evaluation Understudy) score was proposed in 2002 and has quickly become the standard score for evaluating machine translation output. It measures the similarity between a machine's translated text and a set of good quality human reference translations.

Table of contents

I. Why is BLEU score important?
II. How is BLEU score calculated?
III. Mathematical Implementation
IV. Code Implementation
V. Advantages and Limitations of BLEU score
VI. Similar evaluation metrics
VII. Applicati...