Geograpy

OsProject

OsProject
edit
id	geograpy3
state
owner	somnathrakshit
title	geograpy
url	https://github.com/somnathrakshit/geograpy3
version	0.1.15
description
date	2020/09/26
since
until

Adding city details from Wikidata

Query

# get a list of human settlements having a geoName identifier
# to add to geograpy3 library
# see https://github.com/somnathrakshit/geograpy3/issues/15
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT ?city ?cityLabel ?cityPop ?geoNameId ?country ?countryLabel ?countryIsoCode ?countryPopulation
WHERE {
  # geoName Identifier
  ?city wdt:P1566 ?geoNameId.
  # instance of human settlement https://www.wikidata.org/wiki/Q486972
  ?city wdt:P31/wdt:P279* wd:Q486972 .
  # population of city
  OPTIONAL { ?city wdt:P1082 ?cityPop.}

  # label of the City
  ?city rdfs:label ?cityLabel filter (lang(?cityLabel) = "en").
  # country this city belongs to
  ?city wdt:P17 ?country .
  # label for the country
  ?country rdfs:label ?countryLabel filter (lang(?countryLabel) = "en").
  # https://www.wikidata.org/wiki/Property:P297 ISO 3166-1 alpha-2 code
  ?country wdt:P297 ?countryIsoCode.
  # population of country
  ?country wdt:P1082 ?countryPopulation.
  OPTIONAL {
     ?country wdt:P2132 ?countryGdpPerCapita.
  }
}

try it! - you may probably experience a timeout on this query. It takes about 1 min on a local wikidata copy based on blazegraph