Property talk:P5819

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International Mathematical Olympiad participant ID
identifier of an International Mathematical Olympiad participant on the official website of IMO

Associated item	International Mathematical Olympiad (Q7983)
Applicable "stated in" value	International Mathematical Olympiad (Q7983)
Data type	External identifier
Allowed values	[1-9]\d{0,4}
Example	Ngô Bảo Châu (Q216350) → 1573 Grigori Perelman (Q117346) → 10481 Lisa Sauermann (Q92362) → 15545
Source	http://www.imo-official.org/hall.aspx
Formatter URL	http://www.imo-official.org/participant_r.aspx?id=$1
Tracking: usage	Category:Pages using Wikidata property P5819 (Q56569921)
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/Constraint violations/P5819 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,314 Main statement 1,297 out of 12,549 (10% complete) 98.7% of uses Qualifier 3 0.2% of uses Reference 14 1.1% 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/P5819#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

List of violations of this constraint: Database reports/Constraint violations/P5819#Unique value, hourly updated report, SPARQL (every item), SPARQL (by value)

Item “instance of (P31): human (Q5)”: Items with this property should also have “instance of (P31): human (Q5)”. (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/P5819#Item P31, search, SPARQL

Format “[1-9]\d{0,4}”: 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/P5819#Format, SPARQL

Item “participant in (P1344)”: Items with this property should also have “participant in (P1344)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P5819#Item P1344, 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/P5819#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/P5819#Scope, SPARQL

Label required in languages: en: Entities using this property should have labels in one of the following languages: en (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/P5819#Label in 'en' language, search, SPARQL

Description required in languages: en: Entities using this property should have descriptions in one of the following languages: en (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/P5819#Description in 'en' language, search, SPARQL

This property is being used by: en:Template:IMO results id:Templat:IMO results ja:Template:IMO results tr:Şablon:IMO results Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)