query-ec90b078c5325da4c56b87ea88b20d28
title: In-scope articles by authors related to Canada SELECT * WHERE { ?item wdt:P6104 wd:Q56241615 ; wdt:P50 ?author ; wdt:P1476 ?title . ?author wdt:P1556 [] . {?author ?p1 wd:Q16 .} UNION {?author ?p2 [?p3 wd:Q16 ] .} }
Use at
- https://query.wikidata.org/sparql
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
#title: In-scope articles by authors related to Canada
SELECT * WHERE {
?item wdt:P6104 wd:Q56241615 ;
wdt:P50 ?author ;
wdt:P1476 ?title .
?author wdt:P1556 [] .
{?author ?p1 wd:Q16 .}
UNION
{?author ?p2 [?p3 wd:Q16 ] .}
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v2("?author"):::projected
v1("?item"):::projected
v4("?p1"):::projected
v6("?p2"):::projected
v5("?p3"):::projected
v3("?title"):::projected
a1((" "))
a2((" "))
c6(["wd:Q16"]):::iri
c2(["wd:Q56241615"]):::iri
v1 --"wdt:P6104"--> c2
v1 --"wdt:P50"--> v2
v1 --"wdt:P1476"--> v3
v2 --"wdt:P1556"--> a1
subgraph union0[" Union "]
subgraph union0l[" "]
style union0l fill:#abf,stroke-dasharray: 3 3;
a2 -->v5--> c6
v2 -->v6--> a2
end
subgraph union0r[" "]
style union0r fill:#abf,stroke-dasharray: 3 3;
v2 -->v4--> c6
end
union0r <== or ==> union0l
end