query-7fe63baab6e94974409f31413c496bdc
stats-doidata refresh rate: 3600 preferred output format: Table query title: Number of Wikidata items with DOIs
Use at
- https://query.wikidata.org/sparql
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
SELECT (COUNT(?item) AS ?count) WHERE {
?item wdt:P356 ?doi .
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v3("?count")
v2("?doi")
v1("?item"):::projected
v1 --"wdt:P356"--> v2
bind1[/"count(?item)"/]
v1 --o bind1
bind1 --as--o v3