Problem ABA

ABA problem - multithreading computing anomaly when a thread reads a location twice with the same value, so that it looks like nothing has happened, but in fact another thread had changed the value and restored it. Article “Problem ABA” in Polish Wikipedia has 12.5 points for quality (as of July 1, 2026). The article contains 1 references and 7 sections.

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

Since the creation of article “Problem ABA”, its content was written by 13 registered users of Polish Wikipedia and edited by 87 registered Wikipedia users in all languages.

The article is cited 2 times in Polish Wikipedia and cited 46 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Polish): #43195 in August 2025
• Global: #157825 in February 2015

The highest popularity rank from 2008:

• Local (Polish): #238683 in June 2020
• Global: #365988 in August 2011

There are 4 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.

#	Language	Quality grade	Quality score
1	English (en) ABA problem		17.3747
2	Polish (pl) Problem ABA		12.5464
3	Russian (ru) Проблема ABA		4.4037
4	Japanese (ja) ABA問題		3.7489

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

The most popular language versions of the article "Problem ABA" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) ABA problem		475 716
2	Russian (ru) Проблема ABA		54 011
3	Japanese (ja) ABA問題		27 388
4	Polish (pl) Problem ABA		5 899

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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 "Problem ABA" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) ABA problem		2 862
2	Russian (ru) Проблема ABA		136
3	Japanese (ja) ABA問題		83
4	Polish (pl) Problem ABA		19

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

Language versions of the article "Problem ABA" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) ABA problem		53
2	Russian (ru) Проблема ABA		17
3	Polish (pl) Problem ABA		13
4	Japanese (ja) ABA問題		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 "Problem ABA" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	English (en) ABA problem		0
2	Japanese (ja) ABA問題		0
3	Polish (pl) Problem ABA		0
4	Russian (ru) Проблема ABA		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 "Problem ABA" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) ABA problem		37
2	Russian (ru) Проблема ABA		4
3	Japanese (ja) ABA問題		3
4	Polish (pl) Problem ABA		2

More...

#	Language	Value
en	English ABA problem
ja	Japanese ABA問題
pl	Polish Problem ABA
ru	Russian Проблема ABA

Best Rank

Polish: #238683 06.2020

Global: #365988 08.2011

Best Rank

Polish: #43195 08.2025

Global: #157825 02.2015

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 Polish Wikipedia the most popular articles on that day were: Demokratyczna Republika Konga, Mistrzostwa Świata w Piłce Nożnej 2026, Senegal, Zara Larsson, Bractwo Kapłańskie Świętego Piusa X, Mistrzostwa świata w piłce nożnej mężczyzn, Kongo, Sadio Mané, Erling Haaland, Stepan Bandera.

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