لاتباين وتباين مرافق وتباين معاكس

Quality:

Variance - property of a type in a programming language. Article "لاتباين وتباين مرافق وتباين معاكس" in Arabic Wikipedia has 12.9 points for quality (as of January 1, 2023). The article contains 4 references and 3 sections.

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

In December 2022 the article "لاتباين وتباين مرافق وتباين معاكس" was edited by 1 authors in Arabic Wikipedia and written by 1 authors in all languages.

Since the creation of article "لاتباين وتباين مرافق وتباين معاكس", its content was written by 10 registered users of Arabic Wikipedia and edited by 281 registered Wikipedia users in all languages.

The article is cited 5 times in Arabic Wikipedia and cited 119 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Arabic): #683 in July 2005
• Global: #39685 in August 2016

The highest popularity rank from 2008:

• Local (Arabic): #31874 in January 2008
• Global: #138073 in August 2014

There are 11 language versions for this article in WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipedia dumps from January 1, 2023 (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) Covariance and contravariance (computer science)		62.7092
2	Chinese (zh) 协变与逆变		53.1037
3	Italian (it) Covarianza e controvarianza (informatica)		30.7912
4	Spanish (es) Covarianza y contravarianza (ciencias de la computación)		26.8114
5	Persian (fa) هم‌وردایی و پادوردایی (علوم رایانه)		22.723
6	German (de) Kovarianz und Kontravarianz		22.2007
7	Russian (ru) Ковариантность и контравариантность (программирование)		18.1123
8	Japanese (ja) 共変性と反変性 (計算機科学)		15.3875
9	Arabic (ar) لاتباين وتباين مرافق وتباين معاكس		12.8824
10	Ukrainian (uk) Коваріантність і контраваріантність (програмування)		12.8085

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

#	Language	Pop. award	Relative popularity
1	English (en) Covariance and contravariance (computer science)		1 113 776
2	Russian (ru) Ковариантность и контравариантность (программирование)		166 516
3	German (de) Kovarianz und Kontravarianz		158 950
4	Chinese (zh) 协变与逆变		52 736
5	Japanese (ja) 共変性と反変性 (計算機科学)		33 004
6	Arabic (ar) لاتباين وتباين مرافق وتباين معاكس		7 914
7	Italian (it) Covarianza e controvarianza (informatica)		7 092
8	Spanish (es) Covarianza y contravarianza (ciencias de la computación)		5 254
9	Ukrainian (uk) Коваріантність і контраваріантність (програмування)		3 528
10	Persian (fa) هم‌وردایی و پادوردایی (علوم رایانه)		2 006

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

#	Language	Pop. award	Relative popularity
1	English (en) Covariance and contravariance (computer science)		5 342
2	Russian (ru) Ковариантность и контравариантность (программирование)		1 230
3	Japanese (ja) 共変性と反変性 (計算機科学)		391
4	German (de) Kovarianz und Kontravarianz		390
5	Chinese (zh) 协变与逆变		299
6	Ukrainian (uk) Коваріантність і контраваріантність (програмування)		88
7	Italian (it) Covarianza e controvarianza (informatica)		87
8	Korean (ko) 공변성과 반공변성 (컴퓨터 과학)		79
9	Spanish (es) Covarianza y contravarianza (ciencias de la computación)		44
10	Persian (fa) هم‌وردایی و پادوردایی (علوم رایانه)		40

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

#	Language	AI award	Relative AI
1	English (en) Covariance and contravariance (computer science)		166
2	German (de) Kovarianz und Kontravarianz		48
3	Japanese (ja) 共変性と反変性 (計算機科学)		16
4	Chinese (zh) 协变与逆变		14
5	Arabic (ar) لاتباين وتباين مرافق وتباين معاكس		10
6	Russian (ru) Ковариантность и контравариантность (программирование)		7
7	Persian (fa) هم‌وردایی و پادوردایی (علوم رایانه)		5
8	Italian (it) Covarianza e controvarianza (informatica)		5
9	Ukrainian (uk) Коваріантність і контраваріантність (програмування)		5
10	Spanish (es) Covarianza y contravarianza (ciencias de la computación)		4

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

#	Language	AI award	Relative AI
1	Arabic (ar) لاتباين وتباين مرافق وتباين معاكس		1
2	German (de) Kovarianz und Kontravarianz		0
3	English (en) Covariance and contravariance (computer science)		0
4	Spanish (es) Covarianza y contravarianza (ciencias de la computación)		0
5	Persian (fa) هم‌وردایی و پادوردایی (علوم رایانه)		0
6	Italian (it) Covarianza e controvarianza (informatica)		0
7	Japanese (ja) 共変性と反変性 (計算機科学)		0
8	Korean (ko) 공변성과 반공변성 (컴퓨터 과학)		0
9	Russian (ru) Ковариантность и контравариантность (программирование)		0
10	Ukrainian (uk) Коваріантність і контраваріантність (програмування)		0

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

On 29 March 2023 in multilingual Wikipedia, Internet users most often read articles on the following topics: ChatGPT, Lionel Messi, YouTube, Curaçao, Cristiano Ronaldo, John Wick: Chapter 4, United States of America, Keanu Reeves, John Wick, Argentina national football team.

In Arabic Wikipedia the most popular articles on that day were: خالد بن محمد بن زايد آل نهيان, صلاة الفجر, منتخب الأرجنتين لكرة القدم, محمد بن زايد آل نهيان, تصنيف فيفا العالمي, كوراساو, معركة اليرموك, ابتسم أيها الجنرال, سجود التلاوة, حكم الاستمناء في الإسلام.

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 42 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from January, 2023. When calculating current popularity and AI of articles data from December 2022 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2022... More information