{{#sparql:PREFIX bd: <http://www.bigdata.com/rdf#> 
PREFIX wd: <http://www.wikidata.org/entity/> 
PREFIX wdt: <http://www.wikidata.org/prop/direct/> 
PREFIX wikibase: <http://wikiba.se/ontology#> 
# access child properties using Wikidata SPARQL Query Service
# https://stackoverflow.com/questions/57743956/how-to-access-child-properties-using-wikidata-sparql-query-service
SELECT ?item ?itemLabel ?itemDescription ?itemAltLabel ?prop ?propertyLabel ?propertyValue ?propertyValueLabel ?qualifier ?qualifierLabel ?qualifierValue WHERE {
  VALUES ?item {
    wd:Q11272
  }
  ?item ?prop ?statement.
  ?statement ?ps ?propertyValue.
  ?property wikibase:claim ?prop;
    wikibase:statementProperty ?ps.
  OPTIONAL {
    ?statement ?pq ?qualifierValue.
    ?qualifier wikibase:qualifier ?pq.
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}
| endpoint = https://query.wikidata.org/sparql
| chart=bordercloud.visualization.DataTable
| options=
| log=2
}}

from SPARQLWrapper import SPARQLWrapper, JSON

sparql = SPARQLWrapper("https://query.wikidata.org/sparql")
sparql.setQuery("""
    PREFIX bd: <http://www.bigdata.com/rdf#> 
PREFIX wd: <http://www.wikidata.org/entity/> 
PREFIX wdt: <http://www.wikidata.org/prop/direct/> 
PREFIX wikibase: <http://wikiba.se/ontology#> 
# access child properties using Wikidata SPARQL Query Service
# https://stackoverflow.com/questions/57743956/how-to-access-child-properties-using-wikidata-sparql-query-service
SELECT ?item ?itemLabel ?itemDescription ?itemAltLabel ?prop ?propertyLabel ?propertyValue ?propertyValueLabel ?qualifier ?qualifierLabel ?qualifierValue WHERE {
  VALUES ?item {
    wd:Q11272
  }
  ?item ?prop ?statement.
  ?statement ?ps ?propertyValue.
  ?property wikibase:claim ?prop;
    wikibase:statementProperty ?ps.
  OPTIONAL {
    ?statement ?pq ?qualifierValue.
    ?qualifier wikibase:qualifier ?pq.
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}""")
sparql.setReturnFormat(JSON)
results = sparql.query().convert()

for result in results["results"]["bindings"]:
    print(result)
    #print(result["label"]["value"])

library(SPARQL) # SPARQL querying package
library(ggplot2)

# Step 1 - Set up preliminaries and define query
# Define the data.gov endpoint
    endpoint <- "https://query.wikidata.org/sparql"
# create query statement
    query <- "PREFIX bd: <http://www.bigdata.com/rdf#> 
PREFIX wd: <http://www.wikidata.org/entity/> 
PREFIX wdt: <http://www.wikidata.org/prop/direct/> 
PREFIX wikibase: <http://wikiba.se/ontology#> 
# access child properties using Wikidata SPARQL Query Service
# https://stackoverflow.com/questions/57743956/how-to-access-child-properties-using-wikidata-sparql-query-service
SELECT ?item ?itemLabel ?itemDescription ?itemAltLabel ?prop ?propertyLabel ?propertyValue ?propertyValueLabel ?qualifier ?qualifierLabel ?qualifierValue WHERE {
  VALUES ?item {
    wd:Q11272
  }
  ?item ?prop ?statement.
  ?statement ?ps ?propertyValue.
  ?property wikibase:claim ?prop;
    wikibase:statementProperty ?ps.
  OPTIONAL {
    ?statement ?pq ?qualifierValue.
    ?qualifier wikibase:qualifier ?pq.
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}"
# Step 2 - Use SPARQL package to submit query and save results to a data frame
qd <- SPARQL(endpoint,query,curl_args=list(useragent=R.version.string))
df <- qd$results

#!/usr/bin/env ruby
#
# Install sparql for Ruby
#   gem update --system
#   gem install sparql
#
require 'sparql/client'

endpoint = "https://query.wikidata.org/sparql"
sparql = <<-EOT
PREFIX bd: <http://www.bigdata.com/rdf#> 
PREFIX wd: <http://www.wikidata.org/entity/> 
PREFIX wdt: <http://www.wikidata.org/prop/direct/> 
PREFIX wikibase: <http://wikiba.se/ontology#> 
# access child properties using Wikidata SPARQL Query Service
# https://stackoverflow.com/questions/57743956/how-to-access-child-properties-using-wikidata-sparql-query-service
SELECT ?item ?itemLabel ?itemDescription ?itemAltLabel ?prop ?propertyLabel ?propertyValue ?propertyValueLabel ?qualifier ?qualifierLabel ?qualifierValue WHERE {
  VALUES ?item {
    wd:Q11272
  }
  ?item ?prop ?statement.
  ?statement ?ps ?propertyValue.
  ?property wikibase:claim ?prop;
    wikibase:statementProperty ?ps.
  OPTIONAL {
    ?statement ?pq ?qualifierValue.
    ?qualifier wikibase:qualifier ?pq.
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}
EOT

#For Wikidata, the method get is required
#For other SPARQL endpoints, the method post is prefered
client = SPARQL::Client.new(endpoint, :method => :get)
rows = client.query(sparql)

puts "Number of rows: #{rows.size}"
for row in rows
  for key,val in row do
    # print "#{key.to_s.ljust(10)}: #{val}\t"
    print "#{key}: #{val}\t"
  end
  print "\n"
end

endpoint = 'https://query.wikidata.org/sparql';

query = ['PREFIX bd: <http://www.bigdata.com/rdf#>  '...
'PREFIX wd: <http://www.wikidata.org/entity/>  '...
'PREFIX wdt: <http://www.wikidata.org/prop/direct/>  '...
'PREFIX wikibase: <http://wikiba.se/ontology#>  '...
'# access child properties using Wikidata SPARQL Query Service '...
'# https://stackoverflow.com/questions/57743956/how-to-access-child-properties-using-wikidata-sparql-query-service '...
'SELECT ?item ?itemLabel ?itemDescription ?itemAltLabel ?prop ?propertyLabel ?propertyValue ?propertyValueLabel ?qualifier ?qualifierLabel ?qualifierValue WHERE { '...
'  VALUES ?item { '...
'    wd:Q11272 '...
'  } '...
'  ?item ?prop ?statement. '...
'  ?statement ?ps ?propertyValue. '...
'  ?property wikibase:claim ?prop; '...
'    wikibase:statementProperty ?ps. '...
'  OPTIONAL { '...
'    ?statement ?pq ?qualifierValue. '...
'    ?qualifier wikibase:qualifier ?pq. '...
'  } '...
'  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". } '...
'} '];

url_head = strcat(endpoint,'?query=');
url_query = urlencode(query);
format = 'text/tab-separated-values';
url_tail = strcat('&format=', format);

url = strcat(url_head, url_query, url_tail);

% get the data from the endpoint
query_results = urlread(url);

% write the data to a file so that tdfread can parse it
fid = fopen('query_results.txt','w');
if fid>=0
    fprintf(fid, '%s\n', query_results)
    fclose(fid)
end

% this reads the tsv file into a struct
sparql_data = tdfread('query_results.txt')

<?php
require __DIR__ . '/../vendor/autoload.php';
use BorderCloud\SPARQL\SparqlClient;

$endpoint ="https://query.wikidata.org/sparql";
$sp_readonly = new SparqlClient();
$sp_readonly->setEndpointRead($endpoint);
$q = <<<EOD
PREFIX bd: <http://www.bigdata.com/rdf#> 
PREFIX wd: <http://www.wikidata.org/entity/> 
PREFIX wdt: <http://www.wikidata.org/prop/direct/> 
PREFIX wikibase: <http://wikiba.se/ontology#> 
# access child properties using Wikidata SPARQL Query Service
# https://stackoverflow.com/questions/57743956/how-to-access-child-properties-using-wikidata-sparql-query-service
SELECT ?item ?itemLabel ?itemDescription ?itemAltLabel ?prop ?propertyLabel ?propertyValue ?propertyValueLabel ?qualifier ?qualifierLabel ?qualifierValue WHERE {
  VALUES ?item {
    wd:Q11272
  }
  ?item ?prop ?statement.
  ?statement ?ps ?propertyValue.
  ?property wikibase:claim ?prop;
    wikibase:statementProperty ?ps.
  OPTIONAL {
    ?statement ?pq ?qualifierValue.
    ?qualifier wikibase:qualifier ?pq.
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}
EOD;
$rows = $sp_readonly->query($q, 'rows');
$err = $sp_readonly->getErrors();
if ($err) {
      print_r($err);
      throw new Exception(print_r($err, true));
}

foreach ($rows["result"]["variables"] as $variable) {
        printf("%-20.20s",$variable);
        echo '|';
 }
 echo "\n";

foreach ($rows["result"]["rows"] as $row) {
        foreach ($rows["result"]["variables"] as $variable) {
            printf("%-20.20s", $row[$variable]);
            echo '|';
        }
        echo "\n";
 }
 ?>

import com.bordercloud.sparql.*;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;

public class Main {

    public static void main(String[] args) {
        try {
            URI endpoint = new URI("https://query.wikidata.org/sparql");
            String querySelect  = "PREFIX bd: <http://www.bigdata.com/rdf#>  \n"
                    + "PREFIX wd: <http://www.wikidata.org/entity/>  \n"
                    + "PREFIX wdt: <http://www.wikidata.org/prop/direct/>  \n"
                    + "PREFIX wikibase: <http://wikiba.se/ontology#>  \n"
                    + "# access child properties using Wikidata SPARQL Query Service \n"
                    + "# https://stackoverflow.com/questions/57743956/how-to-access-child-properties-using-wikidata-sparql-query-service \n"
                    + "SELECT ?item ?itemLabel ?itemDescription ?itemAltLabel ?prop ?propertyLabel ?propertyValue ?propertyValueLabel ?qualifier ?qualifierLabel ?qualifierValue WHERE { \n"
                    + "  VALUES ?item { \n"
                    + "    wd:Q11272 \n"
                    + "  } \n"
                    + "  ?item ?prop ?statement. \n"
                    + "  ?statement ?ps ?propertyValue. \n"
                    + "  ?property wikibase:claim ?prop; \n"
                    + "    wikibase:statementProperty ?ps. \n"
                    + "  OPTIONAL { \n"
                    + "    ?statement ?pq ?qualifierValue. \n"
                    + "    ?qualifier wikibase:qualifier ?pq. \n"
                    + "  } \n"
                    + "  SERVICE wikibase:label { bd:serviceParam wikibase:language \"en\". } \n"
                    + "} \n";
            SparqlClient sc = new SparqlClient(false);
            sc.setEndpointRead(endpoint);
            SparqlResult sr = sc.query(querySelect);
            //sc.printLastQueryAndResult();

            printResult(sr.getModel(),30);
        } catch (URISyntaxException | SparqlClientException e) {
            System.out.println(e);
            e.printStackTrace();
        }
    }

    public static void printResult(SparqlResultModel rs , int size) {
        for (String variable : rs.getVariables()) {
            System.out.print(String.format("%-"+size+"."+size+"s", variable ) + " | ");
        }
        System.out.print("\n");
        for (HashMap row : rs.getRows()) {
            for (String variable : rs.getVariables()) {
                System.out.print(String.format("%-"+size+"."+size+"s", row.get(variable)) + " | ");
            }
            System.out.print("\n");
        }
    }
}

apply plugin: 'java'
apply plugin: 'application'

// This comes out to package + '.' + mainClassName
mainClassName = 'Main'

group 'org.example'
version '1.0-SNAPSHOT'

repositories {
    mavenCentral()
}
dependencies {
    compile "com.bordercloud:SPARQL-JAVA:[1.0,)"
}