User:Holek

Babel user information
pl-N Polski jest językiem ojczystym tego użytkownika. en-N This user has a native understanding of English. de-2 Dieser Benutzer beherrscht Deutsch auf fortgeschrittenem Niveau.
Users by language

A Wikipedian, contributing mostly to Polish Wikipedia

Example queries

Number of dead people by month since 2000

#defaultView:LineChart
SELECT  ?yearmonth (COUNT(?person) as ?count)
WHERE
{
  ?person wdt:P31 wd:Q5;
          p:P570/psv:P570 [
                wikibase:timePrecision "10"^^xsd:integer ; # precision of at least month
                wikibase:timeValue ?date ;
              ] .
  BIND(CONCAT(STR(YEAR(?date)),"-",STR(MONTH(?date))) as ?yearmonth).
  FILTER( ?date >= "2000-01-01T00:00:00"^^xsd:dateTime )
}
GROUP BY ?yearmonth

Try it!