Property talk:P157

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ISNI
International Standard Name Identifier for an identity. Format: 4 blocks of 4 digits separated by a space, first block is 0000

Has quality	VIAF component (Q593)
Data type	External identifier
Allowed values	[0]{4} [0-9]{4} [0-9]{4} [0-9]{3}[0-9X]
Usage notes	Only when displayed preceded by the letters ISNI and a space; the digits are displayed as 4 blocks of 4 digits
Formatter URL	https://isni.oclc.org/xslt/DB=1.2/CMD?ACT=SRCH&IKT=8006&TRM=ISN%3A$1 https://wikidata-externalid-url.toolforge.org/?p=213&url_prefix=http://isni.org/&id=$1
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) Mix'n'match (Report) Mix'n'match (Report) Map Random list
Proposal discussion	Originally created without a formal discussion
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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/P157#Unique value, SPARQL (every item), SPARQL (by value)

Qualifiers “subject named as (P82), alternative name (P37), reason for deprecated rank (P344), reason for preferred rank (P345)”: this property should be used only with the listed qualifiers. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P157#Allowed qualifiers, 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/P157#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/P157#scope, SPARQL