Property talk:P9738

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IFPNI author ID
identifier for an author in the International Fossil Plant Names Index (IFPNI)

Applicable "stated in" value	International Fossil Plant Names Index (Q60315739)
Data type	External identifier
Domain	human (Q5)
Allowed values	[0-9A-F]{8}(-[0-9A-F]{4}){3}-[0-9A-F]{12}
Example	Hermann Engelhardt (Q21512171) → 594325F1-3D2D-4E94-A3C1-7F983CF072B8 Henry Dunlap MacGinitie (Q21341527) → DE5586F5-959C-4035-9931-AF64589D9E3C Elena Leonidovna Kulik (Q36546857) → 00407C78-2BEA-4C4E-8DAE-4A6CEAD0735B Alexander Potapovich Kirpotenko (Q4221821) → EFCDE4D1-6592-E83D-4FAA-EC112EE3F061
Source	http://www.ifpni.org/author
Formatter URL	http://www.ifpni.org/author.htm?id=$1
See also	IFPNI species ID (P6341), CNSflora ID (P10219), Harvard Index of Botanists ID (P6264)
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/P9738 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,299 Main statement 1,278 out of 5,217 (24% complete) 98.4% of uses Qualifier 4 0.3% of uses Reference 17 1.3% 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/P9738#Single value, SPARQL

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/P9738#Unique value, SPARQL (every item), SPARQL (by value)

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).
List of violations of this constraint: Database reports/Constraint violations/P9738#Type Q5, SPARQL

Format “[0-9A-F]{8}(-[0-9A-F]{4}){3}-[0-9A-F]{12}”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P9738#Format, hourly updated report, 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/P9738#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/P9738#Scope, SPARQL