Property talk:P7571

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Memorial Book Bundesarchiv ID
identifier for the Memorial Book Bundesarchiv

Associated item	German Federal Archives (Q685753)
Applicable "stated in" value	Memorial Book - Victims of the Persecution of Jews under the National Socialist Tyranny in Germany 1933 - 1945 (Q1497473)
Data type	External identifier
Domain	human (Q5)
Allowed values	[1-9]\d{0,7}
Example	Otto Schlein (Q2039401) → 1567779 Georg Hermann (Q91170) → 1034830 Gertrud Kolmar (Q68204) → 1029117
Formatter URL	https://www.bundesarchiv.de/gedenkbuch/en$1 https://www.bundesarchiv.de/gedenkbuch/de$1
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/P7571 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 55,441 Main statement 29,452 out of 176,475 (17% complete) 53.1% of uses Qualifier 3 <0.1% of uses Reference 25,986 46.9% of uses
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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/P7571#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/P7571#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/P7571#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/P7571#Scope, SPARQL

Format “[1-9]\d{0,7}”: 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/P7571#Format, SPARQL

Type “human (Q5)”: item must contain property “instance of (P31)” with classes “human (Q5)” 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/P7571#Type Q5, SPARQL

Pattern ^(?:de|en)([1-9]\d{0,7})$ will be automatically replaced to \1. Testing: TODO list