Wikisource:Wikidata/Maintenance/Encyclopedia articles
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Key items and properties
[edit]- published in (P1433)
- main subject (P921)
- encyclopedia article (Q13433827)
- biographical article (Q19389637)
Any encyclopedia article without a main subject (P921)
[edit]# Any encyclopedia article without a main subject (P921)
SELECT ?item ?itemLabel WHERE {
?item wdt:P31 wd:Q13433827. # P31 is a: Q13433827 encyclopedia article
MINUS { ?item wdt:P921 [] } . # P921: main subject
# the label service is too slow, so try this
OPTIONAL {
?item rdfs:label ?itemLabel. FILTER( LANG(?itemLabel)="en" )
}
}