Property talk:P4619

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National Library of Brazil ID
identifier for an element in the database of the National Library of Brazil

Description	Identifier for a person in the database of the National Library of Brazil
Applicable "stated in" value	Authority control of the National Library of Brazil (Q106088265)
Has quality	VIAF component (Q26921380)
Data type	External identifier
Allowed values	\d{9}
Example	Jonathan Crary (Q6272840) → 001027092 Sue Peabody (Q7634233) → 001111827
Source	VIAF of Jonathan Crary → BLBNB page on VIAF (note: this information should be moved to a property statement; use property source website for the property (P1896))
Formatter URL	https://acervo.bn.gov.br/sophia_web/autoridade/detalhe/$1
Related to country	Brazil (Q155) (See 94 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 Database reports/Constraint violations/P4619 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 20,064 Main statement 20,022 99.8% of uses Qualifier 2 <0.1% of uses Reference 40 0.2% of uses
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Format “\d{9}”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4619#Format, hourly updated report, SPARQL

Conflicts with “instance of (P31): Wikimedia disambiguation page (Q4167410)”: this property must not be used with the listed properties and values. (Help)

List of violations of this constraint: Database reports/Constraint violations/P4619#Conflicts with P31, hourly updated report, search, 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/P4619#Unique value, SPARQL (every item), SPARQL (by value)

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/P4619#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/P4619#Scope, SPARQL