Property talk:P301

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ResearcherID
identifier for a researcher in a system for scientific authors, primarily used in Web of Science

Represents	ResearcherID (Q3356)
Applicable "stated in" value	ResearcherID (Q3356)
Data type	External identifier
Allowed values	[A-Z]{1,3}-\d{4}-(19|20)\d\d
Source	https://www.researcherid.com/rid/
Formatter URL	https://www.researcherid.com/rid/$1
See also	ORCID iD (P43), Publons author ID (P299), Scopus author ID (P645), Google Scholar author ID (P640), Microsoft Academic ID (P377)
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)> <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> Map Random list
Proposal discussion	Originally created without a formal discussion
Search for values

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Format “[A-Z]{1,3}-\d{4}-(19|20)\d\d”: value must be formatted using this pattern (PCRE syntax). Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P301#Format, SPARQL

Distinct values: this property likely contains a value that is different from all other items. List of this constraint violations: Database reports/Constraint violations/P301#Unique value, hourly updated report, SPARQL (every item), SPARQL (by value)

Single value: this property generally contains a single value. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P301#Single value, SPARQL

Item “instance of (P3): human (Q4)”: Items with this property should also have “instance of (P3): human (Q4)”. List of this constraint violations: Database reports/Constraint violations/P301#Item, hourly updated report, search, SPARQL

Item “occupation (P6)”: Items with this property should also have “occupation (P6)”. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P301#Item, search, SPARQL

Item “Publons author ID (P299)”: Items with this property should also have “Publons author ID (P299)”. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P301#Item, search, 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/P301#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/P301#scope, SPARQL