Problem der exakten Überdeckung

de

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Problem der exakten Überdeckung

Quality:

Exact cover - disjoint family of sets, drawn from a larger collection, with the same union as the whole collection. Article “Problem der exakten Überdeckung” in German Wikipedia has 5.2 points for quality (as of July 1, 2025). The article contains 0 references and 3 sections.

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

Since the creation of article “Problem der exakten Überdeckung”, its content was written by 17 registered users of German Wikipedia and edited by 142 registered Wikipedia users in all languages.

The article is cited 20 times in German Wikipedia and cited 84 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #36819 in April 2017
  • Global: #95053 in November 2005

The highest popularity rank from 2008:

  • Local (German): #259069 in December 2008
  • Global: #233701 in September 2013

There are 6 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Exact cover
50.9119
2Chinese (zh)
精确覆盖问题
33.5503
3French (fr)
Problème de la couverture exacte
28.4177
4Dutch (nl)
Exacte overdekking
20.6768
5Portuguese (pt)
Cobertura exata
15.8984
6German (de)
Problem der exakten Überdeckung
5.2361
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 "Problem der exakten Überdeckung" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Exact cover
483 252
2German (de)
Problem der exakten Überdeckung
36 394
3French (fr)
Problème de la couverture exacte
25 807
4Chinese (zh)
精确覆盖问题
22 010
5Portuguese (pt)
Cobertura exata
2 970
6Dutch (nl)
Exacte overdekking
1 849
More...

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

Most popular in June 2025

The most popular language versions of the article "Problem der exakten Überdeckung" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Exact cover
2 382
2French (fr)
Problème de la couverture exacte
90
3Chinese (zh)
精确覆盖问题
68
4German (de)
Problem der exakten Überdeckung
58
5Dutch (nl)
Exacte overdekking
24
6Portuguese (pt)
Cobertura exata
23
More...

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

The highest AI

Language versions of the article "Problem der exakten Überdeckung" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Exact cover
65
2French (fr)
Problème de la couverture exacte
41
3German (de)
Problem der exakten Überdeckung
17
4Portuguese (pt)
Cobertura exata
8
5Chinese (zh)
精确覆盖问题
8
6Dutch (nl)
Exacte overdekking
3
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 2025

Language versions of the article "Problem der exakten Überdeckung" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Exact cover
2
2German (de)
Problem der exakten Überdeckung
0
3French (fr)
Problème de la couverture exacte
0
4Dutch (nl)
Exacte overdekking
0
5Portuguese (pt)
Cobertura exata
0
6Chinese (zh)
精确覆盖问题
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 "Problem der exakten Überdeckung" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Exact cover
26
2French (fr)
Problème de la couverture exacte
24
3German (de)
Problem der exakten Überdeckung
20
4Portuguese (pt)
Cobertura exata
5
5Chinese (zh)
精确覆盖问题
5
6Dutch (nl)
Exacte overdekking
4
More...

Scores

Estimated value for Wikipedia:
German:
Global:
Popularity in June 2025:
German:
Global:
Popularity in all years:
German:
Global:
Authors in June 2025:
German:
Global:
Registered authors in all years:
German:
Global:
Citations:
German:
Global:

Quality measures

Interwikis

#LanguageValue
deGerman
Problem der exakten Überdeckung
enEnglish
Exact cover
frFrench
Problème de la couverture exacte
nlDutch
Exacte overdekking
ptPortuguese
Cobertura exata
zhChinese
精确覆盖问题

Popularity rank trends

Best Rank German:
#259069
12.2008
Global:
#233701
09.2013

AI rank trends

Best Rank German:
#36819
04.2017
Global:
#95053
11.2005

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Exact cover from Wikipedia articles about Knuths Algorithm X, Sudoku solving algorithm, Karps 21 NP-complete problems, Dancing Links and Set cover problem. Whereas reading the article about Exact cover people most often go to Wikipedia articles on Knuths Algorithm X, Dancing Links, Karps 21 NP-complete problems, Eight queens puzzle and Pentomino.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In German Wikipedia the most popular articles on that day were: Whitney Houston, Fall Gil Ofarim, Gil Ofarim, Handball-Europameisterschaft der Männer 2026, Der neue Freund, Tova Friedman, Sven Schulze (Politiker, 1979), Liste der größten Auslegerbrücken, Bobbi Kristina Brown, Patricia Aulitzky.

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 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