Covarianza e controvarianza (informatica)

Variance - subtyping property of a generic type in a programming language. Article "Covarianza e controvarianza (informatica)" in Italian Wikipedia has 29.6 points for quality (as of November 1, 2023). The article contains 13 references and 8 sections.

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

Since the creation of article "Covarianza e controvarianza (informatica)", its content was written by 5 registered users of Italian Wikipedia and edited by 288 registered Wikipedia users in all languages.

The article is cited 2 times in Italian Wikipedia and cited 126 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Italian): #14991 in August 2017
• Global: #39707 in August 2016

The highest popularity rank from 2008:

• Local (Italian): #230928 in January 2020
• Global: #138142 in August 2014

There are 11 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 November 1, 2023 (including revision history and pageviews for previous years).

下表顯示了最高品質的文章的語言版本。

#	Language	Quality grade	Quality score
1	English (en) Covariance and contravariance (computer science)		65.9156
2	Chinese (zh) 协变与逆变		52.6163
3	Persian (fa) هم‌وردایی و پادوردایی (علوم رایانه)		29.7842
4	Italian (it) Covarianza e controvarianza (informatica)		29.6442
5	Spanish (es) Covarianza y contravarianza (ciencias de la computación)		25.9969
6	German (de) Kovarianz und Kontravarianz		23.5015
7	Russian (ru) Ковариантность и контравариантность (программирование)		18.3187
8	Japanese (ja) 共変性と反変性 (計算機科学)		14.2841
9	Korean (ko) 공변성과 반공변성 (컴퓨터 과학)		13.74
10	Ukrainian (uk) Коваріантність і контраваріантність (програмування)		12.4571

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

The most popular language versions of the article "Covarianza e controvarianza (informatica)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Covariance and contravariance (computer science)		1 168 641
2	Russian (ru) Ковариантность и контравариантность (программирование)		179 271
3	German (de) Kovarianz und Kontravarianz		164 449
4	Chinese (zh) 协变与逆变		56 237
5	Japanese (ja) 共変性と反変性 (計算機科学)		35 752
6	Arabic (ar) لاتباين وتباين مرافق وتباين معاكس		8 032
7	Italian (it) Covarianza e controvarianza (informatica)		8 020
8	Spanish (es) Covarianza y contravarianza (ciencias de la computación)		5 783
9	Ukrainian (uk) Коваріантність і контраваріантність (програмування)		4 423
10	Persian (fa) هم‌وردایی و پادوردایی (علوم رایانه)		2 325

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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 "Covarianza e controvarianza (informatica)" in October 2023

#	Language	Popularity award	Relative popularity
1	English (en) Covariance and contravariance (computer science)		6 298
2	Russian (ru) Ковариантность и контравариантность (программирование)		1 214
3	German (de) Kovarianz und Kontravarianz		512
4	Chinese (zh) 协变与逆变		435
5	Japanese (ja) 共変性と反変性 (計算機科学)		245
6	Korean (ko) 공변성과 반공변성 (컴퓨터 과학)		135
7	Ukrainian (uk) Коваріантність і контраваріантність (програмування)		87
8	Italian (it) Covarianza e controvarianza (informatica)		73
9	Spanish (es) Covarianza y contravarianza (ciencias de la computación)		65
10	Persian (fa) هم‌وردایی و پادوردایی (علوم رایانه)		39

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

Language versions of the article "Covarianza e controvarianza (informatica)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Covariance and contravariance (computer science)		172
2	German (de) Kovarianz und Kontravarianz		48
3	Japanese (ja) 共変性と反変性 (計算機科学)		17
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

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

Language versions of the article "Covarianza e controvarianza (informatica)" with the highest AI in October 2023

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

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

Language versions of the article "Covarianza e controvarianza (informatica)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Covariance and contravariance (computer science)		53
2	German (de) Kovarianz und Kontravarianz		14
3	Russian (ru) Ковариантность и контравариантность (программирование)		12
4	Chinese (zh) 协变与逆变		12
5	Japanese (ja) 共変性と反変性 (計算機科学)		9
6	Persian (fa) هم‌وردایی و پادوردایی (علوم رایانه)		8
7	Arabic (ar) لاتباين وتباين مرافق وتباين معاكس		5
8	Ukrainian (uk) Коваріантність і контраваріантність (програмування)		5
9	Spanish (es) Covarianza y contravarianza (ciencias de la computación)		3
10	Korean (ko) 공변성과 반공변성 (컴퓨터 과학)		3

More...

#	Language	Value
ar	Arabic لاتباين وتباين مرافق وتباين معاكس
de	German Kovarianz und Kontravarianz
en	English Covariance and contravariance (computer science)
es	Spanish Covarianza y contravarianza (ciencias de la computación)
fa	Persian هم‌وردایی و پادوردایی (علوم رایانه)
it	Italian Covarianza e controvarianza (informatica)
ja	Japanese 共変性と反変性 (計算機科学)
ko	Korean 공변성과 반공변성 (컴퓨터 과학)
ru	Russian Ковариантность и контравариантность (программирование)
uk	Ukrainian Коваріантність і контраваріантність (програмування)
zh	Chinese 协变与逆变

Best Rank

Italian: #230928 01.2020

Global: #138142 08.2014

Best Rank

Italian: #14991 08.2017

Global: #39707 08.2016

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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 November, 2023. When calculating current popularity and AI of articles data from October 2023 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information