Project:SPARQL/examples: Difference between revisions

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ORDER BY ?personLabel ?date
ORDER BY ?personLabel ?date


</sparql>
=== Counting Dates===
<sparql tryit="1">
# count distinct dates for women (who have at least one)
# CAVEAT: there may be some discrepancies between dates shown on wiki pages and dates returned by sparql
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 bnpsv: <https://beyond-notability.wikibase.cloud/prop/statement/value/>
PREFIX bnpqv: <https://beyond-notability.wikibase.cloud/prop/qualifier/value/>
SELECT ?person ?personLabel (COUNT(DISTINCT ?date_value) as ?count)
WHERE {
{  # main dates
 
  ?person bnwdt:P3 bnwd:Q3 . # women 
  ?person ?p ?s .       
      ?s ?date_prop ?wdv .
        ?wdv wikibase:timeValue ?date_value .
  } # /main dates
 
  UNION
 
  { # qualifier dates
   
    ?person bnwdt:P3 bnwd:Q3 . 
    ?person ?p ?s .   
      ?s ?date_prop ?pqv .
        ?pqv wikibase:timeValue ?date_value.
    }  # /qual dates
 
SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en-gb,en". }
 
} # /where
GROUP BY ?person ?personLabel
ORDER BY ?count ?person
</sparql>
</sparql>


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