Property talk:P20

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Crunchbase organization ID
Identifier for an organization, in the Crunchbase database of companies and start-ups, operated by TechCrunch

Represents	Crunchbase (Q1140)
Applicable "stated in" value	Crunchbase (Q1140)
Has quality	case sensitive (Q2493)
Data type	External identifier
Domain	organization (Q12) or website (Q291)
Allowed values	[^A-Z /]+
Example	Facebook (Q101) → facebook Amazon (Q100) → amazon Prime 9ja Online Media (Q402) → prime9jaonline-media
Formatter URL	https://www.crunchbase.com/organization/$1
See also	Crunchbase person ID (P40)
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 Gratispaideia 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)> Mix'n'match (Report) Map Random list
Proposal discussion	[not applicable Proposal discussion]
Search for values

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Distinct values: this property likely contains a value that is different from all other items. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P20#Unique value, SPARQL (every item), SPARQL (by value)

Single best value: this property generally contains a single value. If there are several, one would have preferred rank Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P20#single best value, SPARQL

Conflicts with “Crunchbase person ID (P40)”: this property must not be used with the listed properties and values. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P20#Conflicts with, search, SPARQL

Format “[^A-Z /]+”: value must be formatted using this pattern (PCRE syntax). List of this constraint violations: Database reports/Constraint violations/P20#Format, hourly updated report, SPARQL

Type “organization (Q12), website (Q291)”: element must contain property “instance of (P3)” with classes “organization (Q12), website (Q291)” or their subclasses (defined using NLA Trove ID (P279)). Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P20#type, SPARQL

Allowed entity types are Wikibase item datatype (Q799): the property may only be used on a certain entity type Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P20#allowed entity types

Scope is as main value (Q793), as reference (Q780): the property must be used by specified way only Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P20#scope, SPARQL