metaclass

Summary

metaclass is a concept^[1]. metaclass draws 4 Wikipedia views per month (concept category, ranking #357 of 912).^[2]

Key Facts

• metaclass's instance of is recorded as concept^[3].
• metaclass's instance of is recorded as formal ontology concept^[4].
• metaclass's instance of is recorded as variable-order class^[5].
• metaclass's subclass of is recorded as class^[6].
• metaclass's part of is recorded as ontology^[7].
• metaclass's Commons category is recorded as Metaclass^[8].
• metaclass's Freebase ID is recorded as /m/012zl948^[9].
• metaclass's topic's main category is recorded as Category:Metaclass^[10].
• metaclass's facet of is recorded as Semantic Web^[11].
• metaclass's different from is recorded as Metaclass^[12].
• metaclass's different from is recorded as Métaclasse^[13].
• metaclass's different from is recorded as metaclass^[14].
• metaclass's different from is recorded as second-order class^[15].
• metaclass's Wikidata usage instructions is recorded as A metaclass in Wikidata, e.g., watercraft type (Q16335899), ship type (Q2235308), or second-order class (Q24017414), is an entity that can have other entities that are an instance of (P31) of it that in turn can have yet other entities that are an instance of (P31) of them. All metaclasses are thus classes. All metaclasses are implicitly an instance of (P31) metaclass (Q19478619). These implicit instance of (P31) statements are not all observable in Wikidata. Only a very few metaclasses should be be explicitly an instance of (P31) metaclass (Q19478619). Most metaclasses are fixed-order classes, e.g., their instances are classes of individuals, and should be an instance of (P31) an instance of (P31) fixed-order class (Q23959932) such as first-order class (Q104086571), second-order class (Q24017414), or, less commonly, third-order class (Q24017465).^[16].
• metaclass's on focus list of Wikimedia project is recorded as WikiProject Q68235346^[17].
• metaclass's model item is recorded as second-order class^[18].
• metaclass's maintained by WikiProject is recorded as WikiProject Ontology^[19].
• metaclass's EU Knowledge Graph item ID is recorded as Gossan Kwa Gbeke^[20].

Why It Matters

metaclass draws 4 Wikipedia views per month (concept category, ranking #357 of 912).^[2]