About: NIST (metric)

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NIST is a method for evaluating the quality of text which has been translated using machine translation. Its name comes from the US National Institute of Standards and Technology. It is based on the BLEU metric, but with some alterations. Where BLEU simply calculates n-gram precision adding equal weight to each one, NIST also calculates how informative a particular n-gram is. That is to say when a correct n-gram is found, the rarer that n-gram is, the more weight it will be given.

Attributes	Values
rdf:type	software
rdfs:label	NIST (계량) (ko) NIST (metric) (en)
rdfs:comment	NIST는 기계 번역을 사용하여 번역된 글의 품질을 평가하는 방법이다. 그 이름은 미국 국립표준기술연구소(National Institute of Standards and Technology, NIST)에서 따왔다. 방법을 기반으로 하지만 약간의 변경된 점들이 있다. BLEU가 단순히 각각에 동일한 가중치를 추가하여 의 정밀도를 계산하는 반면, NIST는 특정 n-그램이 얼마나 정보를 가지는지 계산한다. 즉 올바른 n-그램이 발견되었을 때, n-그램이 더 희귀할수록 더 많은 가중치가 부여된다. 예를 들어, bigram(2개의 연속적인 단어 나열)인 'on the'가 올바르게 일치하면, 다른 bigram 'interesting calculations'의 올바른 일치보다 더 낮은 가중치를 받게 된다. 이는 후자 쪽이 발생할 가능성이 적으므로 더 많은 가중치를 부여하는 것이다. NIST는 짧은 글의 페널티 계산에서도 BLEU와 다르다. NIST는 번역된 글의 길이가 조금 변화해도 전체 점수에 큰 영향을 미치지 않는다. (ko) NIST is a method for evaluating the quality of text which has been translated using machine translation. Its name comes from the US National Institute of Standards and Technology. It is based on the BLEU metric, but with some alterations. Where BLEU simply calculates n-gram precision adding equal weight to each one, NIST also calculates how informative a particular n-gram is. That is to say when a correct n-gram is found, the rarer that n-gram is, the more weight it will be given. (en)
dcterms:subject	Evaluation of machine translation
Wikipage page ID	4993595 (xsd:integer)
Wikipage revision ID	962914145 (xsd:integer)
Link from a Wikipage to another Wikipage	METEOR N-gram Phrase chunking Word error rate BLEU Evaluation of machine translation National Institute of Standards and Technology Machine translation ROUGE (metric) Evaluation of machine translation F1 score Bilingual evaluation understudy
Link from a Wikipage to an external page	https://www.nist.gov/speech/tests/mt/2005/doc/mt05eval_official_results_release_20050801_v3.html
sameAs	NIST (metric) NIST (metric) NIST (metric) NIST (metric)
dbp:wikiPageUsesTemplate	dbt:Reflist dbt:Tech-stub
has abstract	NIST is a method for evaluating the quality of text which has been translated using machine translation. Its name comes from the US National Institute of Standards and Technology. It is based on the BLEU metric, but with some alterations. Where BLEU simply calculates n-gram precision adding equal weight to each one, NIST also calculates how informative a particular n-gram is. That is to say when a correct n-gram is found, the rarer that n-gram is, the more weight it will be given. For example, if the bigram "on the" is correctly matched, it will receive lower weight than the correct matching of bigram "interesting calculations", as this is less likely to occur. NIST also differs from BLEU in its calculation of the brevity penalty insofar as small variations in translation length do not impact the overall score as much. (en) NIST는 기계 번역을 사용하여 번역된 글의 품질을 평가하는 방법이다. 그 이름은 미국 국립표준기술연구소(National Institute of Standards and Technology, NIST)에서 따왔다. 방법을 기반으로 하지만 약간의 변경된 점들이 있다. BLEU가 단순히 각각에 동일한 가중치를 추가하여 의 정밀도를 계산하는 반면, NIST는 특정 n-그램이 얼마나 정보를 가지는지 계산한다. 즉 올바른 n-그램이 발견되었을 때, n-그램이 더 희귀할수록 더 많은 가중치가 부여된다. 예를 들어, bigram(2개의 연속적인 단어 나열)인 'on the'가 올바르게 일치하면, 다른 bigram 'interesting calculations'의 올바른 일치보다 더 낮은 가중치를 받게 된다. 이는 후자 쪽이 발생할 가능성이 적으므로 더 많은 가중치를 부여하는 것이다. NIST는 짧은 글의 페널티 계산에서도 BLEU와 다르다. NIST는 번역된 글의 길이가 조금 변화해도 전체 점수에 큰 영향을 미치지 않는다. (ko)
gold:hypernym	Method
prov:wasDerivedFrom	wikipedia-en:NIST_(metric)?oldid=962914145&ns=0
page length (characters) of wiki page	1632 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:NIST_(metric)
is Link from a Wikipage to another Wikipage of	METEOR NIST (disambiguation) Word error rate BLEU Machine translation ROUGE (metric) F-score Moses for Mere Mortals Referring expression generation
is Wikipage disambiguates of	NIST (disambiguation)
is foaf:primaryTopic of	wikipedia-en:NIST_(metric)

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