query-40f37c6dcb813f2fcab585b92b5cb62c
City populations Let’s look at the second question for now. It’s fairly simple to write a query that lists all cities along with their population and country, ordered by country:
Use at
- https://query.wikidata.org/sparql
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT ?country ?city ?population
WHERE
{
?miasto wdt:P31/wdt:P279* wd:Q515;
wdt:P17 ?kraj;
wdt:P1082 ?populacja.
}
ORDER BY ?kraj
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v1("?kraj")
v2("?miasto")
v3("?populacja")
a1((" "))
c3(["wd:Q515"]):::iri
v2 --"wdt:P31"--> a1
a1 --"wdt:P279"--> c3
v2 --"wdt:P17"--> v1
v2 --"wdt:P1082"--> v3