Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)

withdrawn recommendation/international standard from the International Telecommunication Union
CreativeWork itu_t_recommendation_version Q27051508
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Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)

Summary

Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1) is an ITU-T recommendation version[1].

Key Facts

  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s instance of is recorded as Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1) — instance of (P31): ITU-T recommendation version[2].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s publisher is recorded as Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1) — publisher (P123): ITU Telecommunication Standardization Sector[3].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s edition number is recorded as 11/1988[4].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s language of work or name is recorded as Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1) — language of work or name (P407): English[5].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s publication date is recorded as +1988-11-25T00:00:00Z[6].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s edition or translation of is recorded as Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1) — edition or translation of (P629): X.209[7].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s official website is recorded as https://www.itu.int/rec/T-REC-X.209-198811-W/en[8].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s work available at URL is recorded as https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-X.209-198811-W!!PDF-E&type=items[9].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s number of pages is recorded as {'unit': '1', 'amount': '+25'}[10].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s standards body is recorded as Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1) — standards body (P1462): International Telecommunication Union[11].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s title is recorded as Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)[12].
  • Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s ITU-T Recommendation is recorded as X.209 (11/1988)[13].

Body

Authorship and Creation

Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s publisher is recorded as Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1) — publisher (P123): ITU Telecommunication Standardization Sector[3].

Publication

Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)'s publication date is recorded as +1988-11-25T00:00:00Z[6]. Its language of work or name is recorded as Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1) — language of work or name (P407): English[5].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . wikidata.org.
  4. [5] . wikidata.org.
  5. [6] . wikidata.org.
  6. [7] . wikidata.org.
  7. [8] . wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . wikidata.org.

Class ancestry

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

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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). Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1). Retrieved May 3, 2026, from https://4ort.xyz/entity/recommendation-x-209-11-1988-specification-of-basic-encoding-rules-for-abstract-syntax-notation-one-asn-1-
MLA “Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1).” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/recommendation-x-209-11-1988-specification-of-basic-encoding-rules-for-abstract-syntax-notation-one-asn-1-.
BibTeX @misc{4ortxyz_recommendation-x-209-11-1988-specification-of-basic-encoding-rules-for-abstract-syntax-notation-one-asn-1-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1)}}, year = {2026}, url = {https://4ort.xyz/entity/recommendation-x-209-11-1988-specification-of-basic-encoding-rules-for-abstract-syntax-notation-one-asn-1-}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Recommendation X.209 (11/1988): Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1) — https://4ort.xyz/entity/recommendation-x-209-11-1988-specification-of-basic-encoding-rules-for-abstract-syntax-notation-one-asn-1- (retrieved 2026-05-03)

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