Property talk:P2578

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is the study of
the object that an academic field studies; distinct from field of work (P101), which is used for human, organization, etc.

Represents	research (Q42240)
Data type	Item
Template parameter	indiquez ici les attributs d'infobox de Wikipédia correspondants, s'il en existe, par exemple : « population » dans fr:Modèle:Infobox Subdivision administrative
Domain	According to this template: branch of science (Q2465832), broader According to statements in the property: academic discipline (Q11862829), theology (Q34178), theory (Q17737), branch of science (Q2465832), specialty (Q1047113) or research (Q42240) When possible, data should only be stored as statements
Allowed values	pretty much anything (note: this should be moved to the property statements)
Example	Egyptology (Q145903) → Ancient Egypt (Q11768) narratology (Q382451) → narrative (Q1318295) volcanology (Q102904) → volcanism (Q505748) seismology (Q83371) → earthquake (Q7944)
Tracking: usage	Category:Pages using Wikidata property P2578 (Q56446577)
See also	field of work (P101), practiced by (P3095), studied in (P2579), interested in (P2650), academic major (P812)
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 By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers 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 Database reports/Constraint violations/P2578 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 2,732 Main statement 2,646 96.9% of uses Qualifier 68 2.5% of uses Reference 18 0.7% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Type “academic discipline (Q11862829), theology (Q34178), theory (Q17737), branch of science (Q2465832), specialty (Q1047113), research (Q42240)”: item must contain property “instance of (P31), subclass of (P279)” with classes “academic discipline (Q11862829), theology (Q34178), theory (Q17737), branch of science (Q2465832), specialty (Q1047113), research (Q42240)” 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/P2578#Type Q11862829, Q34178, Q17737, Q2465832, Q1047113, Q42240, SPARQL

Inverse property of “studied in (P2579)”:
if [item A] has this property (is the study of (P2578)) linked to [item B],
then [item B] should also have property “studied in (P2579)” linked to [item A]. (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/P2578#inverse, 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/P2578#Entity types

Scope is as main value (Q54828448): 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/P2578#Scope, SPARQL

Conflicts with “instance of (P31): human (Q5)”: this property must not be used with the listed properties and values. (Help)

List of violations of this constraint: Database reports/Constraint violations/P2578#Conflicts with P31, hourly updated report, search, SPARQL

This property is being used by: uk:Шаблон:Розділ медицини vec:Modèl:Infobox de Prosedimento mèdego, vec:Modeło:Infobox de Prosedimento mèdego be-tarask:Шаблён:Комплексная навука Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Student?

For the discussion on P2579 (studied by) and P2578 (studies), see this at Property talk:P2579. --Neo-Jay (talk) 05:58, 22 January 2022 (UTC)