文脈自由言語

Context-free language - formal language that is a member of the set of languages defined by context-free grammars. Article “文脈自由言語” in Japanese Wikipedia has 4 points for quality (as of July 1, 2025). The article contains 0 references and 5 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Japanese) language version.

Since the creation of article “文脈自由言語”, its content was written by 11 registered users of Japanese Wikipedia and edited by 368 registered Wikipedia users in all languages.

The article is cited 25 times in Japanese Wikipedia and cited 803 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Japanese): #21 in November 2002
• Global: #6003 in November 2002

The highest popularity rank from 2008:

• Local (Japanese): #226868 in January 2008
• Global: #134723 in December 2014

There are 21 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Context-free language		50.7216
2	Korean (ko) 문맥 자유 언어		38.7801
3	Portuguese (pt) Linguagem livre de contexto		26.8563
4	French (fr) Langage algébrique		23.2375
5	Polish (pl) Język bezkontekstowy		19.8138
6	Italian (it) Linguaggio libero dal contesto		19.7303
7	German (de) Kontextfreie Sprache		18.63
8	Croatian (hr) Kontekstno neovisni jezik		14.015
9	Chinese (zh) 上下文无关语言		11.5593
10	Persian (fa) زبان مستقل از متن		10.5773

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "文脈自由言語" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Context-free language		952 621
2	German (de) Kontextfreie Sprache		266 483
3	Polish (pl) Język bezkontekstowy		88 802
4	Hebrew (he) שפה חופשית הקשר		71 072
5	Portuguese (pt) Linguagem livre de contexto		61 708
6	French (fr) Langage algébrique		56 842
7	Japanese (ja) 文脈自由言語		43 030
8	Italian (it) Linguaggio libero dal contesto		35 724
9	Czech (cs) Bezkontextový jazyk		28 727
10	Chinese (zh) 上下文无关语言		27 161

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "文脈自由言語" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Context-free language		2 077
2	German (de) Kontextfreie Sprache		383
3	Polish (pl) Język bezkontekstowy		243
4	French (fr) Langage algébrique		149
5	Japanese (ja) 文脈自由言語		147
6	Hebrew (he) שפה חופשית הקשר		142
7	Italian (it) Linguaggio libero dal contesto		101
8	Portuguese (pt) Linguagem livre de contexto		92
9	Persian (fa) زبان مستقل از متن		65
10	Czech (cs) Bezkontextový jazyk		55

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "文脈自由言語" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Context-free language		104
2	German (de) Kontextfreie Sprache		67
3	French (fr) Langage algébrique		34
4	Italian (it) Linguaggio libero dal contesto		28
5	Polish (pl) Język bezkontekstowy		27
6	Hebrew (he) שפה חופשית הקשר		17
7	Croatian (hr) Kontekstno neovisni jezik		14
8	Portuguese (pt) Linguagem livre de contexto		14
9	Persian (fa) زبان مستقل از متن		12
10	Japanese (ja) 文脈自由言語		11

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "文脈自由言語" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Catalan (ca) Llenguatge lliure de context		0
2	Czech (cs) Bezkontextový jazyk		0
3	German (de) Kontextfreie Sprache		0
4	English (en) Context-free language		0
5	Persian (fa) زبان مستقل از متن		0
6	Finnish (fi) Yhteydetön kieli		0
7	French (fr) Langage algébrique		0
8	Hebrew (he) שפה חופשית הקשר		0
9	Croatian (hr) Kontekstno neovisni jezik		0
10	Italian (it) Linguaggio libero dal contesto		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "文脈自由言語" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Context-free language		152
2	Hebrew (he) שפה חופשית הקשר		95
3	French (fr) Langage algébrique		73
4	Portuguese (pt) Linguagem livre de contexto		49
5	Persian (fa) زبان مستقل از متن		47
6	German (de) Kontextfreie Sprache		44
7	Chinese (zh) 上下文无关语言		39
8	Serbian (sr) Контекст-слободни језик		38
9	Czech (cs) Bezkontextový jazyk		36
10	Croatian (hr) Kontekstno neovisni jezik		36

More...

#	Language	Value
ca	Catalan Llenguatge lliure de context
cs	Czech Bezkontextový jazyk
de	German Kontextfreie Sprache
en	English Context-free language
fa	Persian زبان مستقل از متن
fi	Finnish Yhteydetön kieli
fr	French Langage algébrique
he	Hebrew שפה חופשית הקשר
hr	Croatian Kontekstno neovisni jezik
it	Italian Linguaggio libero dal contesto
ja	Japanese 文脈自由言語
ko	Korean 문맥 자유 언어
nl	Dutch Contextvrije taal
nn	Norwegian (Nynorsk) Kontekstfritt språk
no	Norwegian Kontekstfritt språk
pl	Polish Język bezkontekstowy
pt	Portuguese Linguagem livre de contexto
ro	Romanian Limbaje independente de context
sh	Serbo-Croatian Kontekstno nezavisni jezik
sr	Serbian Контекст-слободни језик
zh	Chinese 上下文无关语言

Best Rank

Japanese: #226868 01.2008

Global: #134723 12.2014

Best Rank

Japanese: #21 11.2002

Global: #6003 11.2002

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

In Japanese Wikipedia the most popular articles on that day were: 日本航空123便墜落事故, 坂本九, 二階堂ふみ, カズレーザー, 北原遥子, やなせたかし, 柏木由紀子, 大竹七未, 大島花子, 舞坂ゆき子.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information