Greibach-Normalform

de

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Greibach-Normalform

Quality:

Greibach normal form - form for context-free grammars. Article “Greibach-Normalform” in German Wikipedia has 17.6 points for quality (as of July 1, 2026). The article contains 2 references and 11 sections.

This article has the best quality in Hebrew Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “Greibach-Normalform”, its content was written by 46 registered users of German Wikipedia and edited by 224 registered Wikipedia users in all languages.

The article is cited 6 times in German Wikipedia and cited 73 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #14154 in February 2005
  • Global: #3068 in May 2002

The highest popularity rank from 2008:

  • Local (German): #125172 in April 2008
  • Global: #348236 in April 2008

There are 17 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, 2026 (including revision history and pageviews for previous years).

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

Languages with the highest quality

#LanguageQuality gradeQuality score
1Hebrew (he)
הצורה הנורמלית של גרייבך
22.8324
2French (fr)
Forme normale de Greibach
21.3491
3German (de)
Greibach-Normalform
17.6493
4Ukrainian (uk)
Нормальна форма Грайбах
12.4925
5English (en)
Greibach normal form
10.2071
6Polish (pl)
Postać normalna Greibach
10.0092
7Italian (it)
Forma normale di Greibach
7.2187
8Chinese (zh)
格雷巴赫标准式
5.8767
9Persian (fa)
فرم نرمال گریباخ
2.3581
10Czech (cs)
Greibachové normální forma
2.2022
More...

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

Most popular in all the time

The most popular language versions of the article "Greibach-Normalform" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Greibach normal form
220 797
2German (de)
Greibach-Normalform
62 013
3Polish (pl)
Postać normalna Greibach
32 188
4Spanish (es)
Forma normal de Greibach
31 903
5Japanese (ja)
グライバッハ標準形
17 592
6Portuguese (pt)
Forma normal de Greibach
15 161
7Chinese (zh)
格雷巴赫标准式
13 792
8Czech (cs)
Greibachové normální forma
9 861
9French (fr)
Forme normale de Greibach
8 863
10Italian (it)
Forma normale di Greibach
6 464
More...

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

Most popular in June 2026

The most popular language versions of the article "Greibach-Normalform" in June 2026
#LanguagePopularity awardRelative popularity
1English (en)
Greibach normal form
309
2German (de)
Greibach-Normalform
99
3Chinese (zh)
格雷巴赫标准式
76
4Polish (pl)
Postać normalna Greibach
59
5Persian (fa)
فرم نرمال گریباخ
38
6Japanese (ja)
グライバッハ標準形
23
7Portuguese (pt)
Forma normal de Greibach
20
8Spanish (es)
Forma normal de Greibach
19
9French (fr)
Forme normale de Greibach
19
10Italian (it)
Forma normale di Greibach
19
More...

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

The highest AI

Language versions of the article "Greibach-Normalform" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Greibach-Normalform
46
2English (en)
Greibach normal form
43
3Dutch (nl)
Greibach-normaalvorm
21
4French (fr)
Forme normale de Greibach
16
5Italian (it)
Forma normale di Greibach
15
6Polish (pl)
Postać normalna Greibach
14
7Croatian (hr)
Greibachin normalni oblik
12
8Chinese (zh)
格雷巴赫标准式
12
9Spanish (es)
Forma normal de Greibach
8
10Romanian (ro)
Forma normală Greibach
8
More...

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

The highest AI in June 2026

Language versions of the article "Greibach-Normalform" with the highest AI in June 2026
#LanguageAI awardRelative AI
1Ukrainian (uk)
Нормальна форма Грайбах
2
2Czech (cs)
Greibachové normální forma
0
3German (de)
Greibach-Normalform
0
4English (en)
Greibach normal form
0
5Spanish (es)
Forma normal de Greibach
0
6Persian (fa)
فرم نرمال گریباخ
0
7French (fr)
Forme normale de Greibach
0
8Hebrew (he)
הצורה הנורמלית של גרייבך
0
9Croatian (hr)
Greibachin normalni oblik
0
10Italian (it)
Forma normale di Greibach
0
More...

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

The highest CI

Language versions of the article "Greibach-Normalform" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Greibach normal form
14
2French (fr)
Forme normale de Greibach
12
3Polish (pl)
Postać normalna Greibach
7
4German (de)
Greibach-Normalform
6
5Czech (cs)
Greibachové normální forma
4
6Hebrew (he)
הצורה הנורמלית של גרייבך
4
7Italian (it)
Forma normale di Greibach
4
8Portuguese (pt)
Forma normal de Greibach
4
9Chinese (zh)
格雷巴赫标准式
4
10Spanish (es)
Forma normal de Greibach
3
More...

Scores

Estimated value for Wikipedia:
German:
Global:
Popularity in June 2026:
German:
Global:
Popularity in all years:
German:
Global:
Authors in June 2026:
German:
Global:
Registered authors in all years:
German:
Global:
Citations:
German:
Global:

Quality measures

Interwikis

#LanguageValue
csCzech
Greibachové normální forma
deGerman
Greibach-Normalform
enEnglish
Greibach normal form
esSpanish
Forma normal de Greibach
faPersian
فرم نرمال گریباخ
frFrench
Forme normale de Greibach
heHebrew
הצורה הנורמלית של גרייבך
hrCroatian
Greibachin normalni oblik
itItalian
Forma normale di Greibach
jaJapanese
グライバッハ標準形
nlDutch
Greibach-normaalvorm
plPolish
Postać normalna Greibach
ptPortuguese
Forma normal de Greibach
roRomanian
Forma normală Greibach
srSerbian
Нормална форма Грибах
ukUkrainian
Нормальна форма Грайбах
zhChinese
格雷巴赫标准式

Popularity rank trends

Best Rank German:
#125172
04.2008
Global:
#348236
04.2008

AI rank trends

Best Rank German:
#14154
02.2005
Global:
#3068
05.2002

Global AI rank history

Languages comparison

Important global interconnections (July 2025 – June 2026)

Wikipedia readers most often find their way to information on Greibach normal form from Wikipedia articles about Chomsky normal form, Context-free grammar, Sheila Greibach, Pushdown automaton and LL grammar. Whereas reading the article about Greibach normal form people most often go to Wikipedia articles on Sheila Greibach, Chomsky normal form, Kuroda normal form, Backus–Naur form and Left recursion.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 1 July 2026

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In German Wikipedia the most popular articles on that day were: Demokratische Republik Kongo, Fußball-Weltmeisterschaft 2026, Senegal, Julian Nagelsmann, Erling Haaland, Sadio Mané, Fußball-Weltmeisterschaft 1994, Jürgen Klopp, Fußball-Europameisterschaft 2028, Fußball-Weltmeisterschaft.

About WikiRank

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information