Project:SPARQL/examples: Difference between revisions

From Beyond Notability
Line 1,015: Line 1,015:
</sparql>
</sparql>


=== Which women in the wikibase have Wikipedia articles, according to Wikidata?===
<sparql tryit="1">
PREFIX bnwd: <https://beyond-notability.wikibase.cloud/entity/>
PREFIX bnwds: <https://beyond-notability.wikibase.cloud/entity/statement/>
PREFIX bnwdv: <https://beyond-notability.wikibase.cloud/value/>
PREFIX bnwdt: <https://beyond-notability.wikibase.cloud/prop/direct/>
PREFIX bnp: <https://beyond-notability.wikibase.cloud/prop/>
PREFIX bnps: <https://beyond-notability.wikibase.cloud/prop/statement/>
PREFIX bnpq: <https://beyond-notability.wikibase.cloud/prop/qualifier/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd:  <http://www.wikidata.org/entity/>
PREFIX bnwd: <https://beyond-notability.wikibase.cloud/entity/>
PREFIX bnwds: <https://beyond-notability.wikibase.cloud/entity/statement/>
PREFIX bnwdv: <https://beyond-notability.wikibase.cloud/value/>
PREFIX bnwdt: <https://beyond-notability.wikibase.cloud/prop/direct/>
PREFIX bnp: <https://beyond-notability.wikibase.cloud/prop/>
PREFIX bnps: <https://beyond-notability.wikibase.cloud/prop/statement/>
PREFIX bnpq: <https://beyond-notability.wikibase.cloud/prop/qualifier/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd:  <http://www.wikidata.org/entity/>
SELECT ?person ?personLabel ?wikidata ?wikipedia
WHERE { 
  ?person bnwdt:P3 bnwd:Q3 . #select women
  FILTER NOT EXISTS {?person bnwdt:P4 bnwd:Q12 .} #filter out project team
  ?person bnp:P117 ?wikidata_ID . #look for wikidata ID on person page
  ?wikidata_ID bnpq:P14 ?wikidata_url .
  BIND(IRI(REPLACE(?wikidata_url,"https://www.wikidata.org/wiki/","http://www.wikidata.org/entity/")) as ?wikidata )
 
  SERVICE <https://query.wikidata.org/sparql> {
      # get English language wikipedia articles in wikidata entries, where listed
        OPTIONAL {
          ?wikipedia schema:about ?wikidata .
          ?wikipedia schema:inLanguage 'en' .
          FILTER (SUBSTR(str(?wikipedia), 1, 25) = 'https://en.wikipedia.org/')
        } 
      } 
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en-gb". }
}
ORDER BY ?personLabel
</sparql>


==Exploring Properties, Paths, Value Nodes==
==Exploring Properties, Paths, Value Nodes==
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