query-c74b32857b541cc8b815e232ab542655
Publications per year
Use at
- https://query.wikidata.org/sparql
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX bd: <http://www.bigdata.com/rdf#>
#defaultView:BarChart
PREFIX target: <http://www.wikidata.org/entity/Q18618629>
SELECT
(STR(?year_) AS ?year)
(COUNT(?work) AS ?works)
?roleLabel
WHERE {
{
?work wdt:P50 target: .
BIND("author" AS ?role)
}
UNION
{
?work wdt:P98 target: .
BIND("editor" AS ?role)
}
?work wdt:P577 ?publication_datetime .
BIND(YEAR(?publication_datetime) AS ?year_)
FILTER (!STRSTARTS(STR(?publication_datetime), "http://www.wikidata.org/.well-known/genid/"))
SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
GROUP BY ?year_ ?roleLabel
ORDER BY ?year
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v2("?publication_datetime")
v5("?role")
v3("?work"):::projected
v6("?works")
v6("?year")
v5("?year_"):::projected
c7(["bd:serviceParam"]):::iri
c3([http://www.wikidata.org/entity/Q18618629]):::iri
c9(["#91;AUTO_LANGUAGE#93;,en"]):::literal
f0[["not starts-with(str(?publication_datetime),'http://www.wikidata.org/.well-known/genid/')"]]
f0 --> v2
subgraph union0[" Union "]
subgraph union0l[" "]
style union0l fill:#abf,stroke-dasharray: 3 3;
v3 --"wdt:P98"--> c3
bind1[/"'editor'"/]
bind1 --as--o v5
end
subgraph union0r[" "]
style union0r fill:#abf,stroke-dasharray: 3 3;
v3 --"wdt:P50"--> c3
bind2[/"'author'"/]
bind2 --as--o v5
end
union0r <== or ==> union0l
end
v3 --"wdt:P577"--> v2
bind3[/"year-from-dateTime(?publication_datetime)"/]
v2 --o bind3
bind3 --as--o v5
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c7 --"wikibase:language"--> c9
end
bind5[/"str(?year_)"/]
v5 --o bind5
bind5 --as--o v6
bind6[/"count(?work)"/]
v3 --o bind6
bind6 --as--o v6