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Iso 639-5

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Title: Iso 639-5  
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Iso 639-5

ISO 639-5:2008 "Codes for the representation of names of languages—Part 5: Alpha-3 code for language families and groups" is a highly incomplete international standard published by the ISO 639 series of standards.

Contents

  • Collective codes 1
  • Relationship to other parts of ISO 639 2
  • History 3
  • Deficiencies 4
  • References 5
  • External links 6

Collective codes

ISO 639-5 defines alpha-3 (3-letter) codes, called "collective codes," that identify language families and groups. As of August 29, 2008 update to ISO 639-5, the standard defined 114 collective codes. The United States Library of Congress maintains the list of Alpha-3 codes that comprise ISO 639-5.[1]

The standard does not cover all language families used by linguists. The languages covered by a group code need not be linguistically related, but may have a geographic relation, or category relation (such as Creoles).

Relationship to other parts of ISO 639

Some of the codes in ISO 639-5 codes are also found in the ISO 639-2 "Alpha-3 code" standard. ISO 639-2 contains codes for some individual languages, some ISO 639 macrolanguage codes, and some collective codes; any code found in ISO 639-2 is also found in either ISO 639-3 or ISO 639-5.

Languages, families, or group codes in ISO 639-2 can be of type "group" (g) or "remainder group" (r). A "group" consists of several related languages; a "remainder group" is a group of several related languages from which some specific languages have been excluded. However, in ISO 639-5, the "remainder groups" do not exclude any languages. Because ISO 639-2 and ISO 639-5 use the same Alpha-3 codes, but do not always refer to the same list of languages for any given code, the languages an Alpha-3 code refers to can't be determined unless it is known whether the code is used in the context of ISO 639-2 or ISO 639-5.

Examples of ISO 639-2 and ISO 639-5 code relationships
Alpha-3 code ISO 639-2 Type ISO 639-2 definition ISO 639-5 definition
afa remainder group (r) Afro-Asiatic languages all Afro-Asiatic languages
alg normal group (g) all Algonquian languages all Algonquian languages
sqj not defined not defined Albanian languages

History

The committee draft of ISO 639-5 was issued on February 23, 2005. Voting on the draft terminated on July 5, 2005; the draft was approved.

In 2006, the target publication date for the final standard was set at October 30, 2007. During the approval stage for the standard, the ISO final draft international standard ballot was not initiated until February 8, 2008. Voting ended on April 10, 2008 ("stage 50.60").

The standard was published on May 15, 2008.

An update was published on August 29, 2008.

Deficiencies

The ISO 639-5 code-set represents a very tiny proportion of the language families and groups of the world. A more complete attempt at coding is ISO 639-6.

References

  1. ^ "ISO 639-5 Registration Authority". Network Development & MARC Standards Office. Library of Congress. February 18, 2009. Retrieved August 23, 2010. 

External links

  • International Organization for Standardization
  • ISO 639-5 codes ordered by Identifier
  • "ISO 639 Registration Authority Report 2004–2005" (PDF). www.niso.org. National Information Standards Organization. Archived from the original (PDF) on September 28, 2006. 
  • Constable, Peter (August 20, 2004). "What's the plan for ISO 639-3 and RFC 3066 ter?". ietf-languages (Mailing list). Retrieved August 23, 2010. 
  • http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=39536 —ISO website for purchasing a copy of the ISO 639-5 standard
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