Property talk:P418

Documentation

employer
person or organization for which the subject works or worked

Data type	Item
Domain	human (Q4) or group of humans (Q13)
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 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)> <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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Value type “organization (Q12), group of humans (Q13), human (Q4), website (Q291), company (Q244)”: This property should use items as value that contain property “instance of (P3)”. On these, the value for instance of (P3) should be an item that uses NLA Trove ID (P279) with value organization (Q12), group of humans (Q13), human (Q4), website (Q291), company (Q244) (or a subclass thereof).

Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P418#Value type, SPARQL

Contemporaries:
if [item A] has this property (employer (P418)) linked to [item B],
then [item A] and [item B] have to coincide or coexist at some point of history.

Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P418#Contemporary, SPARQL

Qualifiers “start time (P174), end time (P175), point in time (P80), part of (P47), subject has role (P202), has quality (P48), field of work (P415), work location (P416), location (P64), subject named as (P82), sourcing circumstances (P160), earliest date (P173), latest date (P172), floruit (P404), archive URL (P191), archive date (P205), 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/P418#Allowed qualifiers, SPARQL

Scope is as main value (Q793), as qualifier (Q792): 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/P418#scope, 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/P418#allowed entity types

Type “human (Q4), group of humans (Q13)”: element must contain property “instance of (P3)” with classes “human (Q4), group of humans (Q13)” 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/P418#type, SPARQL