Property talk:P909

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Nova Scotia Register of Historic Places ID
identifier in the Nova Scotia Register of Historic Places

Data type	External identifier
Domain	place (note: this should be moved to the property statements)
Allowed values	[0-9]{2}[A-Z]{3}([0-9]{4}|-[A-Za-z]{4}-[0-9]{2})
Example	Halifax Public Gardens (Q4901477) → 23MNS0368 James Austin House (Q103843714) → 23MNS0045
Related to country	Canada (Q16) (See 159 others) (Nova Scotia (Q1952))
See also	Canadian Register of Historic Places ID (P477)
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) Database reports/Constraint violations/P909 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 69 Main statement 66 95.7% of uses Qualifier 2 2.9% of uses Reference 1 1.4% of uses
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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/P909#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/P909#Single value, SPARQL

Item “Canadian Register of Historic Places ID (P477)”: Items with this property should also have “Canadian Register of Historic Places ID (P477)”. (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/P909#Item P477, search, SPARQL

Item “instance of (P31)”: Items with this property should also have “instance of (P31)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P909#Item P31, hourly updated report, 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/P909#Entity types

Scope is as main value (Q54828448): 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/P909#Scope, SPARQL

Format “[0-9]{2}[A-Z]{3}([0-9]{4}|-[A-Za-z]{4}-[0-9]{2})”: 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/P909#Format, SPARQL

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