Property talk:P3988

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National Library Board Singapore ID
Identifier of a person, organisation or place from the name authorities of National Library Board

Associated item	National Library Board (Q6974124)
Has quality	VIAF component (Q26921380)
Data type	External identifier
Domain	According to this template: people (Q2472587), organization (Q43229), places According to statements in the property: human (Q5), event (Q1656682), organization (Q43229) or geographic location (Q2221906) When possible, data should only be stored as statements
Allowed values	[^\s\/]+
Example	Catherine Lim (Q5052793) → gzmyZ3wowyA Arthur Percival (Q19175) → X2unKtjqEkg Saint Andrew's Junior College (Q128432) → 7tNTqutaLEI
Source	http://eresources.nlb.gov.sg/linkeddata/search.html
Related to country	Singapore (Q334) (See 11 others)
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 Map of people by place values: place of birth educated at work location residence place of death place of burial January 1st dates People with date of birth on January 1 People with date of death on January 1 People with both dates on January 1 Database reports/Constraint violations/P3988 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 4,877 Main statement 4,869 99.8% of uses Qualifier 3 <0.1% of uses Reference 5 0.1% of uses
Search for values

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

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/P3988#Unique value, SPARQL (every item), SPARQL (by value)

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/P3988#Single value, SPARQL

Format “[a-zA-Z\d_-]{11}”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P3988#Format, hourly updated report, SPARQL

Type “human (Q5), event (Q1656682), organization (Q43229), geographic location (Q2221906)”: item must contain property “instance of (P31)” with classes “human (Q5), event (Q1656682), organization (Q43229), geographic location (Q2221906)” 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/P3988#Type Q5, Q1656682, Q43229, Q2221906, 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/P3988#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): 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/P3988#Scope, SPARQL

Discussion

Search page

I've found the search page for entity for this property. The URL is http://eresources.nlb.gov.sg/linkeddata/search.html

If there is a match, the list of matching entities will be displayed which will have the ID of the entity in the URL as how it is in the formatter URL. – --Jeluang Terluang (talk) 23:10, 9 November 2018 (UTC)

Also, this property's constraint needs to also include events, places, and also organisations. – --Jeluang Terluang (talk) 23:17, 9 November 2018 (UTC)

2022 updates

This property is currently down and being replaced. I had reached out to the library and they replied that new services are being planned to launch in December 2022. Robertsky (talk) 18:11, 19 July 2022 (UTC)

Moving this report over from WD:RATP - Mohammed Sadat (WMDE) (talk) 09:41, 17 November 2022 (UTC)

This ID is coming from VIAF, but apparently they changed their numbering system, so the link doesn't work anymore. For example at d:Capitaland: https://www.wikidata.org/wiki/Q3272868 the VIAF says the NLB number is 18559528 https://viaf.org/processed/NLB%7C18559528 but it's generating an error message because it's all numbers now. However, in VIAF there is a link to CapitaLand at HistorySG: Capitaland is formed‏ ‎‡u http://eresources.nlb.gov.sg/history/events/174a8972-8331-4aa2-ba25-2a5001da890d‏ I don't know how to fix this, and would appreciate any help, thanks! Funandtrvl (talk) 05:41, 4 December 2022 (UTC)