query-02bc3de0f57d21c74ed1891bff29171c
TODO
Use at
- https://query.wikidata.org/sparql
 
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
select (count(distinct ?person) as ?count) where
{
  ?person wdt:P31 wd:Q5. # human
  ?person wdt:P21 wd:Q6581072. # female
  ?person wdt:P27/wdt:P30 wd:Q15. # country of citizenship / must be in Africa
  ?article schema:about ?person ; # has a sitelink
          schema:isPartOf ?domain .
  filter(contains(str(?domain),"wikipedia")) #sitelink points to a language wikipedia
  ?person wdt:P1343 wd:Q46002746. # described in Dictionary of African Biography
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
  v3("?article")
  v4("?count")
  v1("?domain")
  v2("?person"):::projected 
  a1((" "))
  c12(["wd:Q46002746"]):::iri 
  c3(["wd:Q5"]):::iri 
  c5(["wd:Q6581072"]):::iri 
  c8(["wd:Q15"]):::iri 
  f0[["contains(str(?domain),'wikipedia')"]]
  f0 --> v1
  v2 --"wdt:P31"-->  c3
  v2 --"wdt:P21"-->  c5
  v2 --"wdt:P27"-->  a1
  a1 --"wdt:P30"-->  c8
  v3 --"schema:about"-->  v2
  v3 --"schema:isPartOf"-->  v1
  v2 --"wdt:P1343"-->  c12
  bind2[/"count(?person)"/]
  v2 --o bind2
  bind2 --as--o v4