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Web Ontology Language

family of knowledge representation languages
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The Web Ontology Language is an ontology language [1]. It was established in 2004 .

Web Ontology Language

Summary

Web Ontology Language is an ontology language[1]. It draws 799 Wikipedia views per month (ontology_language category, ranking #1 of 3).[2]

Key Facts

  • Web Ontology Language's instance of is recorded as ontology language[3].
  • Web Ontology Language's instance of is recorded as file format[4].
  • Web Ontology Language's instance of is recorded as W3C Recommendation[5].
  • 2004 marks the founding of Web Ontology Language[6].
  • Web Ontology Language's has edition or translation is recorded as OWL RL[7].
  • Web Ontology Language's official website is recorded as https://www.w3.org/TR/owl2-overview/[8].
  • Web Ontology Language's topic's main category is recorded as Category:Web Ontology Language[9].
  • Web Ontology Language's described at URL is recorded as https://www.w3.org/TR/owl-ref/[10].
  • Web Ontology Language's described at URL is recorded as https://www.w3.org/TR/owl2-syntax/[11].
  • Web Ontology Language's media type is recorded as application/owl+xml[12].
  • Web Ontology Language's media type is recorded as application/rdf+xml[13].
  • Web Ontology Language's file extension is recorded as owl[14].
  • Web Ontology Language's file extension is recorded as rdf[15].
  • Web Ontology Language's file extension is recorded as ttl[16].
  • Web Ontology Language's file extension is recorded as n3[17].
  • Web Ontology Language's standards body is recorded as World Wide Web Consortium[18].
  • Web Ontology Language's Stack Exchange tag is recorded as https://stackoverflow.com/tags/owl[19].
  • Web Ontology Language's short name is recorded as {'lang': 'en', 'text': 'OWL'}[20].
  • Web Ontology Language's different from is recorded as owl[21].
  • Web Ontology Language's ACM Classification Code is recorded as 10003316[22].
  • Web Ontology Language's exact match is recorded as https://w3id.org/italia/onto/ADMS/OWL[23].
  • Web Ontology Language's XML namespace URL is recorded as http://www.w3.org/2002/07/owl#[24].

Body

Designation and Status

Recorded instance of include ontology language[3], file format[4], and W3C Recommendation[5].

History and Context

2004 marks the founding of Web Ontology Language[6].

Why It Matters

Web Ontology Language draws 799 Wikipedia views per month (ontology_language category, ranking #1 of 3).[2] It has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[25] It is known by 23 alternative names across languages and contexts.[26]

Related Entities

Ontotext Ulrike Sattler

References

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

Direct Wikidata claims

  1. [3] ↑ . w3.org. Retrieved . w3.org. Provenance: wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . w3.org. Retrieved . w3.org. Provenance: 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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] ↑ . Wikidata sitelinks. wikidata.org.
  3. [26] ↑ . 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). Web Ontology Language. Retrieved May 3, 2026, from https://4ort.xyz/entity/web-ontology-language
MLA “Web Ontology Language.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/web-ontology-language.
BibTeX @misc{4ortxyz_web-ontology-language_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Web Ontology Language}}, year = {2026}, url = {https://4ort.xyz/entity/web-ontology-language}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Web Ontology Language — https://4ort.xyz/entity/web-ontology-language (retrieved 2026-05-03)

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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. 5w ago · Twofivesixbot bot · 2026-05-26 view diff on Wikidata ↗
    Inception → +2004-00-00T00:00:00Z
    Instance of → ontology language, file format, W3C Recommendation
    Standards body → World Wide Web Consortium
    Aliases → —
    + 8 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ [[Property:P8189]]: 987012403567505171, mv to monolingual text names on J9U statements"
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