ontology

specification of a conceptualization
Thing field_of_study Q324254
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ontology

Summary

ontology is a field of study[1]. ontology ranks in the top 10% of field_of_study entities by monthly Wikipedia readership (8,654 views/month).[2]

Key Facts

  • ontology's instance of is recorded as field of study[3].
  • ontology is a type of knowledge base[4].
  • ontology is a type of data model[5].
  • ontology is a type of data schema[6].
  • ontology is a type of specification[7].
  • ontology is a type of knowledge organization system[8].
  • ontology's Commons category is recorded as Ontology[9].
  • ontology's said to be the same as is recorded as knowledge graph[10].
  • ontology comprises ABox[11].
  • ontology comprises TBox[12].
  • ontology comprises RBox[13].
  • ontology comprises class[14].
  • ontology comprises relation[15].
  • ontology comprises attribute[16].
  • ontology's topic's main category is recorded as Category:Ontology (information science)[17].
  • ontology's described at URL is recorded as https://tomgruber.org/writing/onto-design.pdf[18].
  • ontology's described at URL is recorded as https://perso.liris.cnrs.fr/alain.mille/enseignements/Ecole_Centrale/What%20is%20an%20ontology%20and%20why%20we%20need%20it.htm[19].
  • ontology's facet of is recorded as knowledge representation[20].
  • ontology's facet of is recorded as knowledge base[21].
  • ontology's facet of is recorded as knowledge graph[22].
  • ontology's Stack Exchange tag is recorded as https://stackoverflow.com/tags/ontology[23].
  • ontology's used by is recorded as frame-based expert system[24].
  • ontology's used by is recorded as Semantic Web[25].
  • ontology's has characteristic is recorded as similarity[26].
  • ontology's native label is recorded as computational ontology[27].

Body

Definition and Type

ontology's instance of is recorded as field of study[3]. Recorded subclass of include knowledge base[4], data model[5], data schema[6], specification[7], and knowledge organization system[8].

Use and Application

Components include ABox[11], a specialized term[28]; TBox[12], a specialized term[29]; RBox[13]; class[14], a metaclass[30]; relation[15], a type of property[31]; and attribute[16], a type of property[32]. Recorded used by include frame-based expert system[24] and Semantic Web[25].

Why It Matters

ontology ranks in the top 10% of field_of_study entities by monthly Wikipedia readership (8,654 views/month).[2] ontology has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[33] ontology is known by 49 alternative names across languages and contexts.[34]

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] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site
  3. [30] ↑ . Wikidata. wikidata.org. → on this site
  4. [31] ↑ . Wikidata. wikidata.org. → on this site
  5. [32] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [33] ↑ . Wikidata sitelinks. wikidata.org.
  3. [34] ↑ . 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). ontology. Retrieved May 3, 2026, from https://4ort.xyz/entity/ontology-q324254
MLA “ontology.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ontology-q324254.
BibTeX @misc{4ortxyz_ontology-q324254_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ontology}}, year = {2026}, url = {https://4ort.xyz/entity/ontology-q324254}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ontology — https://4ort.xyz/entity/ontology-q324254 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/ontology-q324254 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5d ago · عُثمان · 2026-09-19 view diff on Wikidata ↗
    Equivalent class → http://purl.obolibrary.org/obo/OPMI_0000682
    P14892 → Ontology
    Nci thesaurus id → C21270
    Umls cui → C1518584
    "/* wbsetclaim-create:2||1 */ [[Property:P14892]]: Ontology"
  2. 13d ago · عُثمان · 2026-09-11 view diff on Wikidata ↗
    P14439 → 001391
    "/* wbsetclaim-create:2||1 */ [[Property:P14439]]: 001391"
  3. 14d ago · عُثمان · 2026-09-11 view diff on Wikidata ↗
    Has cause → —
    "/* wbremoveclaims-remove:1| */ [[Property:P828]]: [[Q13582682]]"
  4. 6w ago · Susmuffin · 2026-08-13 view diff on Wikidata ↗
    Harper's tag → ontology
    "/* wbsetclaim-create:1||1 */ [[Property:P13772]]: ontology, Matched to [[:toollabs:mix-n-match/#/entry/289956713|ontology (#289956713)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's tag]] #mix'n"
  5. 6w ago · ~2026-40781-59 · 2026-08-08 view diff on Wikidata ↗
    Instance of → field of study
    "/* wbeditentity-update-languages-short:0||en-us, en, pt-br, pt */"
  6. 8w ago · AGADZI · 2026-07-25 view diff on Wikidata ↗
    Instance of → field of study
    "/* wbsetclaim-update:2||1 */ [[Property:P31]]: [[Q875157]]"
  7. 10w ago · Nyuhn · 2026-07-12 view diff on Wikidata ↗
    P14541 → 3fRr5N
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/41251|batch #41251]]: ZGBK ID"
  8. 15w ago · Jindřich Rubeš · 2026-06-12 view diff on Wikidata ↗
    Svkkl authority id → 0358861-ontologie-informatika
    "/* wbcreateclaim-create:1| */ [[Property:P9322]]: 0358861-ontologie-informatika, [[:toollabs:quickstatements/#/batch/259494|batch #259494]]"
  9. 18w ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Significant person → Q7816025, Barry Smith, Heinrich Herre +1
    Used by → —
    Different from → ontology, ontology, thesaurus +1
    Facet of → knowledge representation, knowledge base, knowledge graph
    + 18 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|5 */ [[Property:P2347]]: 22929, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.