Property talk:P1144

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Library of Congress Control Number (LCCN) (bibliographic)
record number for entries in the LoC bibliographic catalog (for authority records use P244)

Associated item	Library of Congress (Q131454)
Applicable "stated in" value	Library of Congress Control Number (Q620946)
Data type	External identifier
Template parameter	LCCN in Commons:Template:Book, "LCCN" in en:template:infobox journal and Wikisource:en:MediaWiki:Proofreadpage index data config (used on various Wikisources)
Domain	According to this template: books According to statements in the property: version, edition or translation (Q3331189), serial (Q2217301), film (Q11424), short film (Q24862), video recording (Q34508), book (Q571), manuscript (Q87167), palm-leaf manuscript (Q1641020), publication (Q732577), online database (Q7094076), website (Q35127), atlas (Q162827), map (Q4006), sheet music (Q187947), audio recording (Q3302947), album (Q482994) or extended play (Q169930) When possible, data should only be stored as statements
Allowed values	((a(c|fl?|gr)?|b[irs]|c(a?d?|lc|[sxy])|do?|es?|f(i[ae]?)?|g[ms]?|h(a|e[wx]?)?|in?t|j[ax]?|kx?|l(lh|tf)?|m([ams]|ap|ed|i[cdef]|pa?|us)?|n(cn|ex?|[tu]c)|or|p([aop]|h[opq])|r[aceu]?|s(ax?|[cdfgnsu])?|t(b|mp)|u(m|nk)|w(ar)?|[xz])(\b|-)?|20)?\d\d(-\d{1,5}|(\b|-)?\d{6})
Usage notes	An LCCN has three parts, as shown at http://lccn.loc.gov/#n9 (both left and right columns): Year: 2 digits if assigned in the years 1898-2000; 4 digits if assigned in the year 2001 or after Serial: 1 to 6 digits; best practice is now to always type this number with 6 digits, padding the number with zeroes on the front if needed. For records in Library of Congress Authorities (Q13219454), including titles of famous works, and names of people, use LCAuth identifier (Property:P244). Alphabetic prefix: A possible prefix of 1 to 3 lower-case letters. (Bibliographic records after 2000 never have a prefix, but pre-2001 bibliographic records often do, and other kinds of LCCNs always do. Bibliographic records do not have prefixes n, nb, nr, ns, sh, sj, sn: use Property:P244 for those.) On Wikidata, an optional space or hyphen may appear before the year. An optional hyphen may appear before the serial number; if the serial number is typed as less than 6 digits, the hyphen is required. The preferred and best formatting now is to remove all hyphens and spaces and insure that the serial is always 6 digits, as shown in the right column of http://lccn.loc.gov/#n9.
Example	Treasure Island (Q14944010) → 11025047 Malheur Enterprise (Q28126651) → sn00063530
Source	http://lccn.loc.gov/#n9
Formatter URL	https://www.loc.gov/item/$1/
Related to country	United States of America (Q30) (See 762 others)
See also	Library of Congress authority ID (P244), Library of Congress Classification (P1149), Smithsonian resource ID (P7851), DNB edition ID (P1292), OBV edition ID (P6201), swisscovery edition ID (P9907), K10plus PPN ID (P6721)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P1144 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 32,592 Main statement 23,279 71.4% of uses Qualifier 19 <0.1% of uses Reference 9,294 28.5% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1144#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1144#Unique value, SPARQL (every item), SPARQL (by value)

Type “version, edition or translation (Q3331189), serial (Q2217301), film (Q11424), short film (Q24862), video recording (Q34508), book (Q571), manuscript (Q87167), palm-leaf manuscript (Q1641020), publication (Q732577), online database (Q7094076), website (Q35127), atlas (Q162827), map (Q4006), sheet music (Q187947), audio recording (Q3302947), album (Q482994), extended play (Q169930)”: item must contain property “instance of (P31)” with classes “version, edition or translation (Q3331189), serial (Q2217301), film (Q11424), short film (Q24862), video recording (Q34508), book (Q571), manuscript (Q87167), palm-leaf manuscript (Q1641020), publication (Q732577), online database (Q7094076), website (Q35127), atlas (Q162827), map (Q4006), sheet music (Q187947), audio recording (Q3302947), album (Q482994), extended play (Q169930)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1144#Type Q3331189, Q2217301, Q11424, Q24862, Q34508, Q571, Q87167, Q1641020, Q732577, Q7094076, Q35127, Q162827, Q4006, Q187947, Q3302947, Q482994, Q169930, SPARQL

Conflicts with “Library of Congress authority ID (P244)”: this property must not be used with the listed properties and values. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: Sel'skiy Vestnik (Q4414024), The Philadelphia Inquirer (Q600111), American Psycho (Q466504), Anglo-American Cataloguing Rules (British text) (Q106260777), Anglo-American Cataloging Rules (North American text) (Q106261698), Anglo-American Cataloguing Rules (2nd edition) (Q106262786), People's Daily (Q54340), Transactions of the Asiatic Society of Japan (Q111514866), The Comedies of Aristophanes (Q21286489), The Journal of the American Medical Association (Q1470970)
List of violations of this constraint: Database reports/Constraint violations/P1144#Conflicts with P244, search, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1144#Entity types

Scope is as main value (Q54828448), as reference (Q54828450), as qualifier (Q54828449): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1144#Scope, SPARQL

Format “[0-9A-Za-z-. ]+”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1144#Format, SPARQL

This property is being used by: ca:Plantilla:Infotaula de publicacions periòdiques, ca:Plantilla:Infotaula publicació periòdica en:Template:Cite Q ilo:Plantilia:Cite Q ja:Template:Cite Q hi:साँचा:सन्दर्भ विकिडाटा sl:Predloga:Navedi Q nn:Mal:Kjelde på Wikidata cy:Nodyn:Cite Q d:Template:Cite Q da:Skabelon:Cite Q v:en:Template:Cite Q uk:Шаблон:Журнал, uk:Шаблон:Твір tr:Şablon:Q kaynağı ga:Teimpléad:WD Bosca Sonraí Nuachtán ms:Templat:Kotak info jurnal, ms:Templat:Kotak info jurnal/kotak pasir Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Pattern ^(lccn\-)?(n|nb|nr|no|ns|sh) ?(([4-9][0-9]|00|20[0-1][0-9])[0-9]{6})$ will be automatically replaced to \2\3 and moved to Library of Congress authority ID (P244) property. Testing: TODO list

Pattern ^(sn|cn|sc) (([4-9][0-9]|00|20[0-1][0-9])[0-9]{6})$ will be automatically replaced to \1\2. Testing: TODO list

Usage note: LC properties

Please remember that there are three Library of Congress (Q131454) properties = four databases:

Topic	USA	France	Germany & Austria
Authority records	Library of Congress authority ID (P244) = LCNAF & LCSH	Bibliothèque nationale de France ID (P268) IdRef ID (P269)	GND ID (P227)
Library catalogs	Library of Congress Control Number (LCCN) (bibliographic) (P1144)	SUDOC editions (P1025)	SWB editions (P1044) GVK (by GBV)
Classification	Library of Congress Classification (P1149) Dewey Decimal Classification (P1036)	--	Regensburg Classification (P1150)

--Kolja21 (talk) 19:32, 10 February 2014 (UTC)

updated --Kolja21 (talk) 21:20, 18 February 2014 (UTC)

updated --Closeapple (talk) 01:05, 22 February 2014 (UTC)

updated --Kolja21 (talk) 04:52, 20 May 2015 (UTC)

Name and constraint problems

The names recently given to P244 ("LCNAF identifier") and P1144 ("LoC editions" or "LCCN editions") appear to be Wikidata user inventions.

• The Library of Congress considers these identifiers to be part of the same numbering system, but with subordinate schemes. See, for example, the Library of Congress page "Structure of the LC Control Number", and the older "Library of Congress Control Number (LCCN)-- Restructuring to Accommodate Century Change", and the new catalog search http://catalog2.loc.gov/vwebv/searchAdvanced
• "LCCN editions" and "LoC editions" appear to be some transliteration from French, not English; these phrases exist nowhere on Earth except on Wikidata in the last month. This is obvious from a Google search. (To be fair, I think that the LCCN bibliographic record does usually refer to a specific edition of a book or other publication.)
• The phrase "LCNAF identifier" exists nowhere on Earth except on Wikidata in the last month. This is obvious from a Google search.

At http://www.loc.gov/marc/ there are 5 types of records: Bibliographic, Authority, Holdings, Classification, and Community. According to the Year section in "Structure of the LC Control Number", LCCN is used for all 5 of them. P244 appears to be an attempt to link to Authority records (which usually have "n" as a prefix); P1144 appears to be an attempt to link to the Bibliographic records. Therefore:

1. I'm changing the wording of Library of Congress authority ID (P244) and Library of Congress Control Number (LCCN) (bibliographic) (P1144) to reflect this.
2. Should the domain/scope and restraint on Library of Congress Control Number (LCCN) (bibliographic) (P1144) be more like work (Q386724) or at least literature (Q8242) rather than book (Q571)? The bibliographic records are not just for books: they include magazines, music (audio recordings), etc. For example:
   • Like a Virgin (Q250406) => 95783002 (12" 33 1/3 RPM music album: Sire 9 25157-1, EAN 7599251571)
3. The format constraint (|n|nb|nr|no|ns|sh|sj|sn)(|\b|-|/)(|16|17|18|19|20)\d\d(|\b|-|/)\d{6} appears to be designed only for authority records (Library of Congress authority ID (P244)) not for bibliographic records (Library of Congress Control Number (LCCN) (bibliographic) (P1144)). Bibliographic Record Prefixes in "Structure of the LC Control Number" shows a large number of alphabetic prefix options. It appears that n/nb/nr/ns/sh/sj/sn are prefixes that shouldn't appear in Library of Congress Control Number (LCCN) (bibliographic) (P1144). (To make it more confusing, apparently the prefix "no" was used for bibliographic records from 1930 to 1940, then used for authority records recently.) Is there any reason not to change the regex? Unless someone objects soon, I'll probably change the regex. --Closeapple (talk) 01:05, 22 February 2014 (UTC)

On the previous subject: I've now updated the format constraint so it matches bibliographic LCCNs, not name authority LCCNs. The regex I created allows the number to be typed as "old format" (x 12-3456) or "new format" (x12003456). If we want to make sure duplicates are noticed, we probably want to make the constraint even stricter, to allow only the new format. --Closeapple (talk) 05:44, 22 February 2014 (UTC)

Hi Closeapple, thanks for taking care of this difficult task, but with "LCOC" and "bibliographic" you have introduced new terms. 1) Imho "LoC" is more common. 2) We have to distinct between authority records (for works) and "regular" library records for single editions, see Wikidata:Books task force. (The terms are not of French origin. They have been chosen by the book task force based on the Functional Requirements for Bibliographic Records (FRBR) model.) Of cause these "editions" incl. all kind of media collected by the Library of Congress. Please keep in mind, if you change the labels for the LoC properties you have to change the other library properties as well. --Kolja21 (talk) 06:32, 22 February 2014 (UTC)

Bad results?

I've found that with newspapers, many LCCN numbers seem to come up with meaningless results, when I click on the Wikidata entry. For instance, Q55668547. Many of these LCCN numbers come from the U.S. Library of Congress "Chronicling America" web site. Any ideas what's going on? -Pete F (talk) 18:27, 3 September 2018 (UTC)

LoC and LCNAF

Dear сolleagues, now Library of Congress Control Number (LCCN) (bibliographic) (P1144) and Library of Congress authority ID (P244) is different source and data base (for example Sel'skiy Vestnik (Q4414024), LoC including very important information: "Has supplement" and "Supplement to"). Maybe remove the conflicts-with constraint conflicts-with constraint (Q21502838)? Too many exception to constraint exception to constraint (P2303). Library of Congress Control Number (LCCN) (bibliographic) (P1144) and Library of Congress authority ID (P244) do not contain links to each other, which is very inconvenient. — Niklitov (talk) 17:16, 24 November 2018 (UTC)