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YAML

human-readable data serialization format
Place file_format Q281876
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YAML is a place that was established on March 3, 2001 [1].

YAML

Summary

YAML is a file format[1]. YAML ranks in the top 1% of file_format entities by monthly Wikipedia readership (5,850 views/month).[2]

Key Facts

  • YAML's instance of is recorded as file format[3].
  • YAML's instance of is recorded as markup language[4].
  • YAML's instance of is recorded as data serialization format[5].
  • YAML's instance of is recorded as off-side rule language[6].
  • YAML's based on is recorded as XML[7].
  • YAML's based on is recorded as Q42478[8].
  • YAML's based on is recorded as JSON[9].
  • YAML's developer is recorded as Clark Evans[10].
  • YAML's software version identifier is recorded as 1.0[11].
  • YAML's software version identifier is recorded as 1.1[12].
  • YAML's software version identifier is recorded as 1.2.0[13].
  • YAML's software version identifier is recorded as 1.2.2[14].
  • YAML's software version identifier is recorded as 1.2.1[15].
  • March 3, 2001 marks the founding of YAML[16].
  • YAML was published on May 11, 2001[17].
  • YAML's official website is recorded as https://yaml.org/[18].
  • YAML's described at URL is recorded as https://yaml.org/spec/1.2.2/[19].
  • YAML's media type is recorded as application/yaml[20].
  • YAML's file extension is recorded as yaml[21].
  • YAML's file extension is recorded as yml[22].
  • YAML's source code repository URL is recorded as https://github.com/yaml/yaml-spec[23].
  • YAML's official name is recorded as {'lang': 'en', 'text': "YAML Ain't Markup Language"}[24].
  • YAML's Stack Exchange tag is recorded as https://stackoverflow.com/tags/yaml[25].
  • YAML's manifestation of is recorded as semi-structured data[26].
  • YAML's short name is recorded as {'lang': 'en', 'text': 'YAML'}[27].

Body

Designation and Status

Recorded instance of include file format[3], markup language[4], data serialization format[5], and off-side rule language[6].

History and Context

March 3, 2001 marks the founding of YAML[16].

Why It Matters

YAML ranks in the top 1% of file_format entities by monthly Wikipedia readership (5,850 views/month).[2] YAML has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[28] YAML is known by 11 alternative names across languages and contexts.[29]

YAML has been cited as an influence by Sass[30], a style sheet language[31], founded in 2006[32].

FAQs

Who did YAML influence?

YAML has been cited as an influence by Sass[30].

Related Entities

Clark Evans DraCor Einakter Kaitai Struct LinkML Liquidsoap Manifest Sass XML

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] ↑ . yaml.org. Retrieved . yaml.org. Provenance: wikidata.org.
  10. [12] ↑ . yaml.org. Retrieved . yaml.org. Provenance: wikidata.org.
  11. [13] ↑ . yaml.org. Retrieved . yaml.org. Provenance: wikidata.org.
  12. [14] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  13. [15] ↑ . yaml.org. Retrieved . yaml.org. Provenance: wikidata.org.
  14. [16] ↑ . yaml.org. yaml.org. Provenance: wikidata.org.
  15. [17] ↑ . groups.yahoo.com. groups.yahoo.com. Provenance: wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . RFC 9512: YAML Media Type. Retrieved . ietf.org. Provenance: wikidata.org.
  19. [21] ↑ . RFC 9512: YAML Media Type. wikidata.org.
  20. [22] ↑ . RFC 9512: YAML Media Type. wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . yaml.org. yaml.org. Provenance: wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . yaml.org. yaml.org. Provenance: wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [30] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [31] ↑ . Wikidata. wikidata.org. → on this site
  2. [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. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . 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). YAML. Retrieved May 3, 2026, from https://4ort.xyz/entity/yaml
MLA “YAML.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/yaml.
BibTeX @misc{4ortxyz_yaml_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{YAML}}, year = {2026}, url = {https://4ort.xyz/entity/yaml}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): YAML — https://4ort.xyz/entity/yaml (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/yaml · 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. 25d ago · HelloImSteven · 2026-06-10 view diff on Wikidata ↗
    Website → —
    Inception → +2001-03-03T00:00:00Z
    Described at url → https://yaml.org/spec/1.2.2/
    Publication date → +2001-05-11T00:00:00Z
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P12946]]: YAML+Ain't+Markup+Language"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.