Property talk:P4919

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Plus/4 World ID
identifier in the Plus/4 World database of Commodore videogames

Applicable "stated in" value	Plus/4 World (Q56083722)
Data type	External identifier
Corresponding template	Template:Plus4world (Q47515086)
Domain	video game (Q7889)
Allowed values	\w[\w_-]+(-\d+)?
Example	Zombi (Q90999) → Zombie Marble Madness (Q582642) → Marble_Madness Manic Miner (Q760211) → Manic_Miner
Formatter URL	https://plus4world.powweb.com/software/$1
Tracking: usage	no label (Q125249537)
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 Mix'n'match (Report) Database reports/Constraint violations/P4919 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 164 Main statement 160 out of 5,132 (3% complete) 97.6% of uses Qualifier 3 1.8% of uses Reference 1 0.6% of uses
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Type “video game (Q7889)”: item must contain property “instance of (P31)” with classes “video game (Q7889)” 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/P4919#Type Q7889, SPARQL

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/P4919#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/P4919#Unique value, SPARQL (every item), SPARQL (by value)

Format “\w[\w_-]+(-\d+)?”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4919#Format, hourly updated report, SPARQL

Item “platform (P400): Commodore 16 (Q1115913), Commodore Plus/4 (Q868568), Commodore 16 and Plus/4 (Q76135548)”: Items with this property should also have “platform (P400): Commodore 16 (Q1115913), Commodore Plus/4 (Q868568), Commodore 16 and Plus/4 (Q76135548)”. (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/P4919#Item P400, search

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/P4919#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/P4919#Scope, SPARQL

This property is being used by: it:Template:Collegamenti esterni Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)