利用BLEU进行机器翻译检测（Python-NLTK-BLEU评分方法）

新译星将代表四达时代集团在展览会上闪亮登场，届时我们将从新译星所开展的业务、具备的优势、成功案例等多个维度进行介绍，让您更加全面的了解新译星。我们拥有稳定的全职国际化团队，能够确保守时、高效的完成翻译和配音，并通过至臻完善的质量控制和项目管理体系进行全方位把控，提供翻译、配音、字幕制作、后期制作、播出以及收视率调查等一条龙服务。

New Transtar will present itself at the Exhibition on behalf of StarTimes, and we will give a comprehensive introduction of ourselves, including the current services we offer, the advantages we hold, and the projects we have completed, to help you understand us more. New Transtar boasts of an international team of professionals and is capable of providing fast and quality-guaranteed services including translating, dubbing, subtitle making, post-production, broadcasting and collecting of viewership ratings, thanks to our strict, streamlined and developed quality control and project management system.

The new translator will stand on the exhibition on behalf of the four times group at the exhibition. We will introduce the new star‘s business, the advantages and the successful cases, so that you can understand the new translator more comprehensively. We have a stable full-time international team that ensures punctual, efficient translation and dubbing, and provides a full range of control through the perfect quality control and project management system, providing a one-stop service for translation, dubbing, subtitle production, post production, broadcasting, and ratings surveys.

The new translator star will represent sida times group in the exhibition, when we will introduce the new translator star‘s business, advantages, successful cases and other dimensions, so that you can have a more comprehensive understanding of the new translator star. We have a stable full-time international team, which can ensure timely and efficient translation and dubbing. Through perfect quality control and project management system, we provide translation, dubbing, subtitle production, post-production, broadcasting and rating survey.

[[‘The‘, ‘new‘, ‘translator‘, ‘will‘, ‘stand‘, ‘on‘, ‘the‘, ‘exhibition‘, ‘on‘, ‘behalf‘, ‘of‘, ‘the‘, ‘four‘, ‘times‘, ‘group‘, ‘at‘, ‘the‘, ‘exhibition‘, ‘We‘, ‘will‘, ‘introduce‘, ‘the‘, ‘new‘, ‘star`s‘, ‘business‘, ‘the‘, ‘advantages‘, ‘and‘, ‘the‘, ‘successful‘, ‘cases‘, ‘so‘, ‘that‘, ‘you‘, ‘can‘, ‘understand‘, ‘the‘, ‘new‘, ‘translator‘, ‘more‘, ‘comprehensively‘, ‘We‘, ‘have‘, ‘a‘, ‘stable‘, ‘full-time‘, ‘international‘, ‘team‘, ‘that‘, ‘ensures‘, ‘punctual‘, ‘efficient‘, ‘translation‘, ‘and‘, ‘dubbing‘, ‘and‘, ‘provides‘, ‘a‘, ‘full‘, ‘range‘, ‘of‘, ‘control‘, ‘through‘, ‘the‘, ‘perfect‘, ‘quality‘, ‘control‘, ‘and‘, ‘project‘, ‘management‘, ‘system‘, ‘providing‘, ‘a‘, ‘one-stop‘, ‘service‘, ‘for‘, ‘translation‘, ‘dubbing‘, ‘subtitle‘, ‘production‘, ‘post‘, ‘production‘, ‘broadcasting‘, ‘and‘, ‘ratings‘, ‘surveys‘],[‘The‘, ‘new‘, ‘translator‘, ‘star‘, ‘will‘, ‘represent‘, ‘sida‘, ‘times‘, ‘group‘, ‘in‘, ‘the‘, ‘exhibition‘, ‘when‘, ‘we‘, ‘will‘, ‘introduce‘, ‘the‘, ‘new‘, ‘translator‘, ‘star`s‘, ‘business‘, ‘advantages‘, ‘successful‘, ‘cases‘, ‘and‘, ‘other‘, ‘dimensions‘, ‘so‘, ‘that‘, ‘you‘, ‘can‘, ‘have‘, ‘a‘, ‘more‘, ‘comprehensive‘, ‘understanding‘, ‘of‘, ‘the‘, ‘new‘, ‘translator‘, ‘star‘, ‘We‘, ‘have‘, ‘a‘, ‘stable‘, ‘full-time‘, ‘international‘, ‘team‘, ‘which‘, ‘can‘, ‘ensure‘, ‘timely‘, ‘and‘, ‘efficient‘, ‘translation‘, ‘and‘, ‘dubbing‘, ‘Through‘, ‘perfect‘, ‘quality‘, ‘control‘, ‘and‘, ‘project‘, ‘management‘, ‘system‘, ‘we‘, ‘provide‘, ‘translation‘, ‘dubbing‘, ‘subtitle‘, ‘production‘, ‘post-production‘, ‘broadcasting‘, ‘and‘, ‘rating‘, ‘survey‘]]

[‘New‘, ‘Transtar‘, ‘will‘, ‘present‘, ‘itself‘, ‘at‘, ‘the‘, ‘Exhibition‘, ‘on‘, ‘behalf‘, ‘of‘, ‘StarTimes‘, ‘and‘, ‘we‘, ‘will‘, ‘give‘, ‘a‘, ‘comprehensive‘, ‘introduction‘, ‘of‘, ‘ourselves‘, ‘including‘, ‘the‘, ‘current‘, ‘services‘, ‘we‘, ‘offer‘, ‘the‘, ‘advantages‘, ‘we‘, ‘hold‘, ‘and‘, ‘the‘, ‘projects‘, ‘we‘, ‘have‘, ‘completed‘, ‘to‘, ‘help‘, ‘you‘, ‘understand‘, ‘us‘, ‘more‘, ‘New‘, ‘Transtar‘, ‘boasts‘, ‘of‘, ‘an‘, ‘international‘, ‘team‘, ‘of‘, ‘professionals‘, ‘and‘, ‘is‘, ‘capable‘, ‘of‘, ‘providing‘, ‘fast‘, ‘and‘, ‘quality-guaranteed‘, ‘services‘, ‘including‘, ‘translating‘, ‘dubbing‘, ‘subtitle‘, ‘making‘, ‘post-production‘, ‘broadcasting‘, ‘and‘, ‘collecting‘, ‘of‘, ‘viewership‘, ‘ratings‘, ‘thanks‘, ‘to‘, ‘our‘, ‘strict‘, ‘streamlined‘, ‘and‘, ‘developed‘, ‘quality‘, ‘control‘, ‘and‘, ‘project‘, ‘management‘, ‘system‘]

[root@host-10-0-251-156 ~]# python
Python 2.7.5 (default, Apr 11 2018, 07:36:10)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-28)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from nltk.translate.bleu_score import sentence_bleu
>>>
>>> reference=[[‘The‘, ‘new‘, ‘translator‘, ‘will‘, ‘stand‘, ‘on‘, ‘the‘, ‘exhibition‘, ‘on‘, ‘behalf‘, ‘of‘, ‘the‘, ‘four‘, ‘times‘, ‘group‘, ‘at‘, ‘the‘, ‘exhibition‘, ‘We‘, ‘will‘, ‘introduce‘, ‘the‘, ‘new‘, ‘star`s‘, ‘business‘, ‘the‘, ‘advantages‘, ‘and‘, ‘the‘, ‘successful‘, ‘cases‘, ‘so‘, ‘that‘, ‘you‘, ‘can‘, ‘understand‘, ‘the‘, ‘new‘, ‘translator‘, ‘more‘, ‘comprehensively‘, ‘We‘, ‘have‘, ‘a‘, ‘stable‘, ‘full-time‘, ‘international‘, ‘team‘, ‘that‘, ‘ensures‘, ‘punctual‘, ‘efficient‘, ‘translation‘, ‘and‘, ‘dubbing‘, ‘and‘, ‘provides‘, ‘a‘, ‘full‘, ‘range‘, ‘of‘, ‘control‘, ‘through‘, ‘the‘, ‘perfect‘, ‘quality‘, ‘control‘, ‘and‘, ‘project‘, ‘management‘, ‘system‘, ‘providing‘, ‘a‘, ‘one-stop‘, ‘service‘, ‘for‘, ‘translation‘, ‘dubbing‘, ‘subtitle‘, ‘production‘, ‘post‘, ‘production‘, ‘broadcasting‘, ‘and‘, ‘ratings‘, ‘surveys‘],[‘The‘, ‘new‘, ‘translator‘, ‘star‘, ‘will‘, ‘represent‘, ‘sida‘, ‘times‘, ‘group‘, ‘in‘, ‘the‘, ‘exhibition‘, ‘when‘, ‘we‘, ‘will‘, ‘introduce‘, ‘the‘, ‘new‘, ‘translator‘, ‘star`s‘, ‘business‘, ‘advantages‘, ‘successful‘, ‘cases‘, ‘and‘, ‘other‘, ‘dimensions‘, ‘so‘, ‘that‘, ‘you‘, ‘can‘, ‘have‘, ‘a‘, ‘more‘, ‘comprehensive‘, ‘understanding‘, ‘of‘, ‘the‘, ‘new‘, ‘translator‘, ‘star‘, ‘We‘, ‘have‘, ‘a‘, ‘stable‘, ‘full-time‘, ‘international‘, ‘team‘, ‘which‘, ‘can‘, ‘ensure‘, ‘timely‘, ‘and‘, ‘efficient‘, ‘translation‘, ‘and‘, ‘dubbing‘, ‘Through‘, ‘perfect‘, ‘quality‘, ‘control‘, ‘and‘, ‘project‘, ‘management‘, ‘system‘, ‘we‘, ‘provide‘, ‘translation‘, ‘dubbing‘, ‘subtitle‘, ‘production‘, ‘post-production‘, ‘broadcasting‘, ‘and‘, ‘rating‘, ‘survey‘]]
>>>
>>> candidate=[‘New‘, ‘Transtar‘, ‘will‘, ‘present‘, ‘itself‘, ‘at‘, ‘the‘, ‘Exhibition‘, ‘on‘, ‘behalf‘, ‘of‘, ‘StarTimes‘, ‘and‘, ‘we‘, ‘will‘, ‘give‘, ‘a‘, ‘comprehensive‘, ‘introduction‘, ‘of‘, ‘ourselves‘, ‘including‘, ‘the‘, ‘current‘, ‘services‘, ‘we‘, ‘offer‘, ‘the‘, ‘advantages‘, ‘we‘, ‘hold‘, ‘and‘, ‘the‘, ‘projects‘, ‘we‘, ‘have‘, ‘completed‘, ‘to‘, ‘help‘, ‘you‘, ‘understand‘, ‘us‘, ‘more‘, ‘New‘, ‘Transtar‘, ‘boasts‘, ‘of‘, ‘an‘, ‘international‘, ‘team‘, ‘of‘, ‘professionals‘, ‘and‘, ‘is‘, ‘capable‘, ‘of‘, ‘providing‘, ‘fast‘, ‘and‘, ‘quality-guaranteed‘, ‘services‘, ‘including‘, ‘translating‘, ‘dubbing‘, ‘subtitle‘, ‘making‘, ‘post-production‘, ‘broadcasting‘, ‘and‘, ‘collecting‘, ‘of‘, ‘viewership‘, ‘ratings‘, ‘thanks‘, ‘to‘, ‘our‘, ‘strict‘, ‘streamlined‘, ‘and‘, ‘developed‘, ‘quality‘, ‘control‘, ‘and‘, ‘project‘, ‘management‘, ‘system‘]
>>>
>>> score = sentence_bleu(reference, candidate)
>>> print score
0.119115465241
>>>

New Transtar will stand on the exhibition on behalf of the four times group at the exhibition. We will introduce the new star‘s business, the advantages and the successful cases, so that you can understand the new translator more comprehensively. We have a stable full-time international team that ensures punctual, efficient translation and dubbing, and provides a full range of control through the perfect quality control and project management system, providing a one-stop service for translation, dubbing, subtitle production, streamlined and developed quality control and project management system.

[‘New‘, ‘Transtar‘, ‘will‘, ‘stand‘, ‘on‘, ‘the‘, ‘exhibition‘, ‘on‘, ‘behalf‘, ‘of‘, ‘the‘, ‘four‘, ‘times‘, ‘group‘, ‘at‘, ‘the‘, ‘exhibition‘, ‘We‘, ‘will‘, ‘introduce‘, ‘the‘, ‘new‘, ‘star`s‘, ‘business‘, ‘the‘, ‘advantages‘, ‘and‘, ‘the‘, ‘successful‘, ‘cases‘, ‘so‘, ‘that‘, ‘you‘, ‘can‘, ‘understand‘, ‘the‘, ‘new‘, ‘translator‘, ‘more‘, ‘comprehensively‘, ‘We‘, ‘have‘, ‘a‘, ‘stable‘, ‘full-time‘, ‘international‘, ‘team‘, ‘that‘, ‘ensures‘, ‘punctual‘, ‘efficient‘, ‘translation‘, ‘and‘, ‘dubbing‘, ‘and‘, ‘provides‘, ‘a‘, ‘full‘, ‘range‘, ‘of‘, ‘control‘, ‘through‘, ‘the‘, ‘perfect‘, ‘quality‘, ‘control‘, ‘and‘, ‘project‘, ‘management‘, ‘system‘, ‘providing‘, ‘a‘, ‘one-stop‘, ‘service‘, ‘for‘, ‘translation‘, ‘dubbing‘, ‘subtitle‘, ‘production‘, ‘streamlined‘, ‘and‘, ‘developed‘, ‘quality‘, ‘control‘, ‘and‘, ‘project‘, ‘management‘, ‘system‘]

>>> candidate_baidu=[‘New‘, ‘Transtar‘, ‘will‘, ‘stand‘, ‘on‘, ‘the‘, ‘exhibition‘, ‘on‘, ‘behalf‘, ‘of‘, ‘the‘, ‘four‘, ‘times‘, ‘group‘, ‘at‘, ‘the‘, ‘exhibition‘, ‘We‘, ‘will‘, ‘introduce‘, ‘the‘, ‘new‘, ‘star`s‘, ‘business‘, ‘the‘, ‘advantages‘, ‘and‘, ‘the‘, ‘successful‘, ‘cases‘, ‘so‘, ‘that‘, ‘you‘, ‘can‘, ‘understand‘, ‘the‘, ‘new‘, ‘translator‘, ‘more‘, ‘comprehensively‘, ‘We‘, ‘have‘, ‘a‘, ‘stable‘, ‘full-time‘, ‘international‘, ‘team‘, ‘that‘, ‘ensures‘, ‘punctual‘, ‘efficient‘, ‘translation‘, ‘and‘, ‘dubbing‘, ‘and‘, ‘provides‘, ‘a‘, ‘full‘, ‘range‘, ‘of‘, ‘control‘, ‘through‘, ‘the‘, ‘perfect‘, ‘quality‘, ‘control‘, ‘and‘, ‘project‘, ‘management‘, ‘system‘, ‘providing‘, ‘a‘, ‘one-stop‘, ‘service‘, ‘for‘, ‘translation‘, ‘dubbing‘, ‘subtitle‘, ‘production‘, ‘streamlined‘, ‘and‘, ‘developed‘, ‘quality‘, ‘control‘, ‘and‘, ‘project‘, ‘management‘, ‘system‘]
>>> score_baidu = sentence_bleu(reference, candidate_baidu)
>>> print score_baidu
0.875629670466
>>>