Property talk:P8283

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ISCO-08 occupation class
International Standard Classification of Occupations code according to the International Labour Organization (ILO) classification structure as of 2008

Description	Standard International Classification code for jobs. "ISCO is a tool for organizing jobs into a clearly defined set of groups according to the tasks and duties undertaken in the job."
Represents	International Standard Classification of Occupations (Q1233766)
Data type	String
Domain	According to this template: profession (Q28640), occupation (Q12737077), jobs According to statements in the property: occupation (Q12737077) or occupation group according to ISCO-08 (Q108300140) When possible, data should only be stored as statements
Allowed values	[0-9]{1,4}
Example	playwright (Q214917) → 2641 stonemason (Q328325) → 7113 lumberjack (Q1124183) → 6210
Source	http://www.ilo.org/public/english/bureau/stat/isco/isco08/
Formatter URL	http://data.europa.eu/esco/isco/C$1
See also	ISCO-88 occupation class (P952)
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 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 Mix'n'match (Report) Database reports/Constraint violations/P8283 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 828 Main statement 825 out of 7,017 (12% complete) 99.6% of uses Qualifier 3 0.4% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Format “[0-9]{1,4}”: value must be formatted using this pattern (PCRE syntax). (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/P8283#Format, SPARQL

Type “occupation (Q12737077), occupation group according to ISCO-08 (Q108300140)”: item must contain property “instance of (P31)” with classes “occupation (Q12737077), occupation group according to ISCO-08 (Q108300140)” 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/P8283#Type Q12737077, Q108300140, SPARQL

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P8283#Scope, hourly updated report, SPARQL

A classification, not an identifier

Note that wikidata uses ISCO-08 occupation class (P8283) as a classification, not an identifier. This is why P8283 appears in the top half of the statements on an item, rather than the external identifier part.

In general, many occupation items may share the same P8283 value.

i.e. it is not the case that ISCO-08 occupation class (P8283)property constraint (P2302)distinct-values constraint (Q21502410) <-- Y this is not true.

This is in contrast to eg the more finely-grained ESCO Occupation ID (P4652) where in general a particular value should only appear on a single item.

The 'main' item for a particular value, i.e. the item which encompasses the whole group of occupations with a particular P8283 value, should be identified with a statement

iteminstance of (P31)occupation group according to ISCO-08 (Q108300140)

-- Jheald (talk) 14:48, 29 August 2022 (UTC)