query-8dda32cee7e57ecd55908f636aa94e2b
Authors of articles of the Enciclopedia Italiana which are also subjects of articles of Enciclopedia Italiana and are absent on it.wikipedia SELECT DISTINCT ?aut ?autLabel WHERE { ?item p:P4223 [ pq:P50 ?aut ] . ?aut wdt:P4223 [] . MINUS { ?article schema:about ?aut ; schema:isPartOf https://it.wikipedia.org/ . } SERVICE wikibase:label { bd:serviceParam wikibase:language "it". } }
Use at
- https://query.wikidata.org/sparql
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX schema: <http://schema.org/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX bd: <http://www.bigdata.com/rdf#>
#Authors of articles of the Enciclopedia Italiana which are also subjects of articles of Enciclopedia Italiana and are absent on it.wikipedia
SELECT DISTINCT ?aut ?autLabel
WHERE {
?item p:P4223 [ pq:P50 ?aut ] .
?aut wdt:P4223 [] .
MINUS { ?article schema:about ?aut ; schema:isPartOf <https://it.wikipedia.org/> . }
SERVICE wikibase:label { bd:serviceParam wikibase:language "it". }
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v3("?article")
v1("?aut"):::projected
v2("?item")
a2((" "))
a1((" "))
c8(["bd:serviceParam"]):::iri
c6([https://it.wikipedia.org/]):::iri
c10(["it"]):::literal
a1 --"p:qualifier/P50"--> v1
v2 --"p:P4223"--> a1
v1 --"p:direct/P4223"--> a2
subgraph minus0["MINUS"]
style minus0 stroke-width:6px,fill:pink,stroke:red;
v3 --"schema:about"--> v1
v3 --"schema:isPartOf"--> c6
end
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c8 --"wikibase:language"--> c10
end