I am in the process of creating a better way to map CSL types to Wikidata types together with Jakob Voß, and while listing all subtypes of web page, I came across a number of these cases (link): #defaultView:Graph SELECT ?a ?aLabel ?b ?bLabel WHERE { wd:Q58803899 wdt:P279* ?a . ?a wdt:P279 ?b . FILTER EXISTS { ?b wdt:P279* wd:Q386724 . } SERVICE wikibase:label { bd:serviceParam wikibase:language "en". } } I’m no expert on