query-0c470b8ad36384896563ac267d2c4ed7
Author name strings SELECT ?item ?identificativo_DOI ?titolo WHERE { ?item wdt:P2093 "John Doe". SERVICE wikibase:label { bd:serviceParam wikibase:language "en". } ?item wdt:P31 wd:Q13442814. OPTIONAL { ?item wdt:P356 ?identificativo_DOI. } OPTIONAL { ?item wdt:P1476 ?titolo. } }
Use at
- https://query.wikidata.org/sparql
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX bd: <http://www.bigdata.com/rdf#>
#Author name strings
SELECT ?item ?identificativo_DOI ?titolo WHERE {
?item wdt:P2093 "John Doe".
SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
?item wdt:P31 wd:Q13442814.
OPTIONAL { ?item wdt:P356 ?identificativo_DOI. }
OPTIONAL { ?item wdt:P1476 ?titolo. }
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v2("?identificativo_DOI"):::projected
v1("?item"):::projected
v3("?titolo"):::projected
c4(["bd:serviceParam"]):::iri
c8(["wd:Q13442814"]):::iri
c2(["John Doe"]):::literal
c6(["en"]):::literal
v1 --"wdt:P2093"--> c2
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c4 --"wikibase:language"--> c6
end
v1 --"wdt:P31"--> c8
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v1 -."wdt:P356".-> v2
end
subgraph optional1["(optional)"]
style optional1 fill:#bbf,stroke-dasharray: 5 5;
v1 -."wdt:P1476".-> v3
end