Property talk:P2445

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metasubclass of
relation between two metaclasses: instances of this metaclass are likely to be subclasses of classes that are instances of the target metaclass

Data type	Item
Domain	metaclasses (classes that have instances which are themselves classes) (note: this should be moved to the property statements)
Allowed values	metaclasses (note: this should be moved to the property statements)
Example	engine model (Q15057021) → engine family (Q15057020) product model (Q10929058) aircraft model (Q15056995) → aircraft family (Q15056993) aircraft family (Q15056993) → aircraft class (Q1875621) crop (Q235352) → plant life-form (Q2355817) isotope (Q25276) → chemical element (Q11344) dialect of a file format (Q57696248) → file format family (Q26085352)
Source	examination of Wikidata queries (note: this information should be moved to a property statement; use property source website for the property (P1896))
Robot and gadget jobs	Some opportunities for this, or at least to come up with cases for humans to consider -- see below. However, the number of incidences of this property is likely to be quite limited.
See also	is metaclass for (P8225), instance of (P31), subclass of (P279)
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) Database reports/Constraint violations/P2445 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 70 Main statement 63 90% of uses Qualifier 7 10% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

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/P2445#Scope, hourly updated report, SPARQL

Deletion discussion

Archived at Wikidata:Requests_for_deletions/Archive/2017/Properties/1#metasubclass_of_(P2445), closed as no consensus to delete. --Yair rand (talk) 21:45, 16 January 2018 (UTC)