Property talk:P4506

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Formal Public Identifier
string that identifies uniquely an item using a Formal Public Identifier according to the ISO/IEC 9070:1991 standard

Represents	Formal Public Identifier (Q3077309)
Data type	String
Example	HTML 4.0 (Q3782232) → -//W3C//DTD HTML 4.01//EN Dublin Core Metadata Element Set (Q624610) → -//DUBLIN CORE//DCMES DTD 2002/07/31//EN
Formatter URN	urn:publicid:$1:$2:$3:$4:$5 urn:publicid:$1:$2:$3:$4 — List of Uniform Resource Names (URN)
See also	XML namespace URL (P7510)
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 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/P4506 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 21 Main statement 19 90.5% of uses Qualifier 2 9.5% of uses
Search for values

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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/P4506#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/P4506#Unique value, SPARQL (every item), SPARQL (by value)

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P4506#Scope, hourly updated report, SPARQL

Datatype

Shouldn't this be an external identifier?
--- Jura 23:16, 10 November 2017 (UTC)

• If people don't see it as an inconvenience, I will ask for conversion.
  --- Jura 18:08, 13 November 2017 (UTC)