extended Backus–Naur form

family of metasyntax notations, any of which can be used to express a context-free grammar
Intangible metalanguage Q1165219
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extended Backus–Naur form

Summary

extended Backus–Naur form is a metalanguage[1]. It draws 357 Wikipedia views per month (metalanguage category, ranking #1 of 2).[2]

Key Facts

  • extended Backus–Naur form is credited with the discovery of Niklaus Wirth[3].
  • extended Backus–Naur form's instance of is recorded as metalanguage[4].
  • extended Backus–Naur form's instance of is recorded as programming language[5].
  • extended Backus–Naur form's based on is recorded as Backus–Naur form[6].
  • extended Backus–Naur form's Commons category is recorded as Extended Backus–Naur Form[7].
  • extended Backus–Naur form's Freebase ID is recorded as /m/0jd37[8].
  • extended Backus–Naur form's described by source is recorded as A formalized description of the standard human variant nomenclature in Extended Backus-Naur Form[9].
  • extended Backus–Naur form's short name is recorded as {'lang': 'mul', 'text': 'EBNF'}[10].
  • extended Backus–Naur form's short name is recorded as {'lang': 'mul', 'text': 'РБНФ'}[11].
  • extended Backus–Naur form's Microsoft Academic ID is recorded as 180997628[12].

Body

Works and Contributions

extended Backus–Naur form is credited with the discovery of Niklaus Wirth[3].

Why It Matters

extended Backus–Naur form draws 357 Wikipedia views per month (metalanguage category, ranking #1 of 2).[2] It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[13] It is known by 23 alternative names across languages and contexts.[14]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [3] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Freebase Data Dumps. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] . Wikidata sitelinks. wikidata.org.
  3. [14] . 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). extended Backus–Naur form. Retrieved May 3, 2026, from https://4ort.xyz/entity/extended-backusnaur-form
MLA “extended Backus–Naur form.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/extended-backusnaur-form.
BibTeX @misc{4ortxyz_extended-backusnaur-form_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{extended Backus–Naur form}}, year = {2026}, url = {https://4ort.xyz/entity/extended-backusnaur-form}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): extended Backus–Naur form — https://4ort.xyz/entity/extended-backusnaur-form (retrieved 2026-05-03)

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