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exact cover

disjoint family of sets, drawn from a larger collection, with the same union as the whole collection
Thing computational_problem Q388260
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exact cover

Summary

exact cover is a computational problem[1]. It draws 115 Wikipedia views per month (computational_problem category, ranking #17 of 61).[2]

Key Facts

  • exact cover's instance of is recorded as computational problem[3].
  • exact cover's instance of is recorded as constraint satisfaction problem[4].
  • exact cover's subclass of is recorded as cover[5].
  • exact cover's part of is recorded as Karp's 21 NP-complete problems[6].
  • exact cover's Freebase ID is recorded as /m/0859ts[7].
  • exact cover's Microsoft Academic ID is recorded as 51628500[8].
  • exact cover's computational complexity is recorded as NP-complete[9].

Why It Matters

exact cover draws 115 Wikipedia views per month (computational_problem category, ranking #17 of 61).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[10] It is known by 4 alternative names across languages and contexts.[11]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . Freebase Data Dumps. wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . Reducibility among combinatorial problems. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] ↑ . Wikidata sitelinks. wikidata.org.
  3. [11] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). exact cover. Retrieved May 3, 2026, from https://4ort.xyz/entity/exact-cover
MLA “exact cover.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/exact-cover.
BibTeX @misc{4ortxyz_exact-cover_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{exact cover}}, year = {2026}, url = {https://4ort.xyz/entity/exact-cover}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): exact cover — https://4ort.xyz/entity/exact-cover (retrieved 2026-05-03)

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