query-950174d6b8723c150410f960f24acf77
Propertiesinstance of (P31)main subject (P921)author name string (P2093)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.
?item wdt:P2093 ?authorstring .
OPTIONAL { ?item wdt:P577 ?pdate }
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" } .
}
ORDER BY ?pdate
Query found at
- 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;
v4("?authorstring")
v3("?item"):::projected
v1("?pdate"):::projected
v2("?topics")
c2(["wd:Q13442814"]):::iri
c7(["bd:serviceParam"]):::iri
c9(["en"]):::literal
bind0[/VALUES ?topics/]
bind0-->v2
bind00(["wd:Q82069695"])
bind00 --> bind0
bind01(["wd:Q84263196"])
bind01 --> bind0
bind02(["wd:Q81068910"])
bind02 --> bind0
v3 --"wdt:P31"--> c2
v3 --"wdt:P921"--> v2
v3 --"wdt:P2093"--> v4
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v3 -."wdt:P577".-> v1
end
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c7 --"wikibase:language"--> c9
end