Property talk:P2338

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Musopen composer ID
identifier for a composer in the musopen.org database

Applicable "stated in" value	Musopen (Q2572292)
Data type	External identifier
Corresponding template	Template:Musopen (Q18918704)
Domain	According to this template: human (Q5) According to statements in the property: human (Q5) When possible, data should only be stored as statements
Allowed values	[a-z][a-z-]+[a-z]
Example	Wolfgang Amadeus Mozart (Q254) → wolfgang-amadeus-mozart Alba Rosa Viëtor (Q41146851) → alba-rosa-vietor Sigismond Thalberg (Q347871) → sigismond-thalberg
Source	https://musopen.org/music/
Formatter URL	https://musopen.org/music/composer/$1/
Robot and gadget jobs	could be added by bot since the identifiers in urls are consistent
Tracking: usage	Category:Pages using Wikidata property P2338 (Q53976477)
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 Mix'n'match (Report) Database reports/Humans with missing claims/P2338 Database reports/Constraint violations/P2338 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 437 Main statement 405 92.7% of uses Qualifier 3 0.7% of uses Reference 29 6.6% 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/P2338#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/P2338#Single value, SPARQL

Format “[a-z][a-z-]{1,40}[a-z]”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P2338#Format, hourly updated report, SPARQL

Item “occupation (P106): composer (Q36834), classical composer (Q21680663), opera composer (Q21680731), film score composer (Q1415090)”: Items with this property should also have “occupation (P106): composer (Q36834), classical composer (Q21680663), opera composer (Q21680731), film score composer (Q1415090)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: various artists (Q3108914), anonymous (Q59755918)
List of violations of this constraint: Database reports/Constraint violations/P2338#Item P106, search

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/P2338#Conflicts with P31, hourly updated report, search, 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). Known exceptions: various artists (Q3108914), anonymous (Q59755918)
List of violations of this constraint: Database reports/Constraint violations/P2338#Type Q5, SPARQL

Item “occupation (P106)”: Items with this property should also have “occupation (P106)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: various artists (Q3108914), anonymous (Q59755918)
List of violations of this constraint: Database reports/Constraint violations/P2338#Item P106, 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/P2338#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/P2338#Scope, SPARQL

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

URLs wrong (have changed)

The current URL structure listed https://musopen.org/composer/$1/ is not working and should be changed to: https://musopen.org/music/composer/$1/  – The preceding unsigned comment was added by Muirinew3tw (talk • contribs) at 2 jul 2019 01:12‎ (UTC).

 Done - Mbch331 (talk) 07:13, 2 July 2019 (UTC)