query-72ad25e70b4fa3c99b3100fd8619d579
Propertiesinstance of (P31)main subject (P921)publication date (P577)
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#>
SELECT DISTINCT ?item ?itemLabel ?pdate
{
VALUES ?topics { wd:Q82069695 wd:Q84263196 wd:Q81068910 }
?item wdt:P31 wd:Q13442814.
?item wdt:P921 ?topics.
OPTIONAL { ?item wdt:P577 ?pdate }
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" } .
}
Query found at
- https://www.wikidata.org/wiki/Wikidata:WikiProject_COVID-19/Queries
- https://www.wikidata.org/wiki/Wikidata:WikiProject_Linked_Data_for_Production/2020-03-20_Wikidata_Working_Hour
- https://www.wikidata.org/wiki/Wikidata:WikiProject_Linked_Data_for_Production/2020-03-30
- https://www.wikidata.org/wiki/Wikidata:WikiProject_Linked_Data_for_Production/2020-04-17_Wikidata_Working_Hour
- https://www.wikidata.org/wiki/Wikidata:WikiProject_Linked_Data_for_Production/2020-04-27_Wikidata_Working_Hour
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v2("?item"):::projected
v3("?pdate"):::projected
v1("?topics")
c2(["wd:Q13442814"]):::iri
c6(["bd:serviceParam"]):::iri
c8(["en"]):::literal
bind0[/VALUES ?topics/]
bind0-->v1
bind00(["wd:Q82069695"])
bind00 --> bind0
bind01(["wd:Q84263196"])
bind01 --> bind0
bind02(["wd:Q81068910"])
bind02 --> bind0
v2 --"wdt:P31"--> c2
v2 --"wdt:P921"--> v1
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v2 -."wdt:P577".-> v3
end
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c6 --"wikibase:language"--> c8
end