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Share, discover and reuse the Linked Data has never been easier with a LinkedWiki Platform.

Reuse these data in your code

Query, endpoint and code for reusing the same data
https://query.wikidata.org/sparql
PREFIX bd: <http://www.bigdata.com/rdf#>
PREFIX geof: <http://www.opengis.net/def/geosparql/function/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wikibase: <http://wikiba.se/ontology#>

#defaultView:BarChart
PREFIX var_muntype: <http://www.wikidata.org/entity/Q15284>
PREFIX var_area: <http://www.wikidata.org/entity/Q6308>
SELECT ?from ?to ?distGrp WHERE {
  {
    SELECT ?from ?to ?distNum ?mun ?mun2 WHERE {
      { SELECT ?mun (SAMPLE(?loc) AS ?loc)
        WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                     wdt:P131 var_area:;
                     wdt:P625 ?loc. }
        GROUP BY ?mun
      }
      OPTIONAL {
        { SELECT (?mun AS ?mun2) (SAMPLE(?loc) AS ?loc2)
          WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                       wdt:P131 var_area:;
                       wdt:P625 ?loc. }
          GROUP BY ?mun
        }
      }
      BIND(geof:distance(?loc, ?loc2) AS ?distNum).

      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en".
        ?mun rdfs:label ?from.
        ?mun2 rdfs:label ?to.
      }
    }
  }
  FILTER(CONCAT(?from,STR(?mun)) <= CONCAT(?to,STR(?mun2))).
  #BIND(IF(STR(?from) < STR(?to),CONCAT(?from," <--> ",?to),
  #  CONCAT(?to," <--> ",?from)) AS ?distLabel).

  BIND(COALESCE(
    IF(?distNum >= 40, "40 - .. km", 1/0),
    IF(?distNum >= 30, "30 - 40 km", 1/0),
    IF(?distNum >= 20, "20 - 30 km", 1/0),
    IF(?distNum >= 10, "10 - 20 km", 1/0),
    IF(?distNum >= 5, "05 - 10 km", 1/0),
    IF(?distNum >= 1, "01 - 05 km", "00 - 01 km")) AS ?distGrp).
}
ORDER BY ?from ?distGrp
Howto write a query SPARQL? (in French)
{{#sparql:PREFIX bd: <http://www.bigdata.com/rdf#>
PREFIX geof: <http://www.opengis.net/def/geosparql/function/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wikibase: <http://wikiba.se/ontology#>

#defaultView:BarChart
PREFIX var_muntype: <http://www.wikidata.org/entity/Q15284>
PREFIX var_area: <http://www.wikidata.org/entity/Q6308>
SELECT ?from ?to ?distGrp WHERE {
  {
    SELECT ?from ?to ?distNum ?mun ?mun2 WHERE {
      { SELECT ?mun (SAMPLE(?loc) AS ?loc)
        WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                     wdt:P131 var_area:;
                     wdt:P625 ?loc. }
        GROUP BY ?mun
      }
      OPTIONAL {
        { SELECT (?mun AS ?mun2) (SAMPLE(?loc) AS ?loc2)
          WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                       wdt:P131 var_area:;
                       wdt:P625 ?loc. }
          GROUP BY ?mun
        }
      }
      BIND(geof:distance(?loc, ?loc2) AS ?distNum).

      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en".
        ?mun rdfs:label ?from.
        ?mun2 rdfs:label ?to.
      }
    }
  }
  FILTER(CONCAT(?from,STR(?mun)) <= CONCAT(?to,STR(?mun2))).
  #BIND(IF(STR(?from) < STR(?to),CONCAT(?from," <--> ",?to),
  #  CONCAT(?to," <--> ",?from)) AS ?distLabel).

  BIND(COALESCE(
    IF(?distNum >= 40, "40 - .. km", 1/0),
    IF(?distNum >= 30, "30 - 40 km", 1/0),
    IF(?distNum >= 20, "20 - 30 km", 1/0),
    IF(?distNum >= 10, "10 - 20 km", 1/0),
    IF(?distNum >= 5, "05 - 10 km", 1/0),
    IF(?distNum >= 1, "01 - 05 km", "00 - 01 km")) AS ?distGrp).
}
ORDER BY ?from ?distGrp
| endpoint = https://query.wikidata.org/sparql
| chart=bordercloud.visualization.DataTable
| options=
| log=2
}}
Howto install LinkedWiki in my wiki? Howto insert this graph in my wiki?
Test this script in a new tab.
<html>
    <head>
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"  async></script>
    </head>
    <body onload="testQuery();">
        <script>
function testQuery(){
    var endpoint = "https://query.wikidata.org/sparql";
    var query = "PREFIX bd: <http://www.bigdata.com/rdf#>\n\
PREFIX geof: <http://www.opengis.net/def/geosparql/function/>\n\
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n\
PREFIX wdt: <http://www.wikidata.org/prop/direct/>\n\
PREFIX wikibase: <http://wikiba.se/ontology#>\n\
\n\
#defaultView:BarChart\n\
PREFIX var_muntype: <http://www.wikidata.org/entity/Q15284>\n\
PREFIX var_area: <http://www.wikidata.org/entity/Q6308>\n\
SELECT ?from ?to ?distGrp WHERE {\n\
  {\n\
    SELECT ?from ?to ?distNum ?mun ?mun2 WHERE {\n\
      { SELECT ?mun (SAMPLE(?loc) AS ?loc)\n\
        WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;\n\
                     wdt:P131 var_area:;\n\
                     wdt:P625 ?loc. }\n\
        GROUP BY ?mun\n\
      }\n\
      OPTIONAL {\n\
        { SELECT (?mun AS ?mun2) (SAMPLE(?loc) AS ?loc2)\n\
          WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;\n\
                       wdt:P131 var_area:;\n\
                       wdt:P625 ?loc. }\n\
          GROUP BY ?mun\n\
        }\n\
      }\n\
      BIND(geof:distance(?loc, ?loc2) AS ?distNum).\n\
\n\
      SERVICE wikibase:label { bd:serviceParam wikibase:language \"[AUTO_LANGUAGE],en\".\n\
        ?mun rdfs:label ?from.\n\
        ?mun2 rdfs:label ?to.\n\
      }\n\
    }\n\
  }\n\
  FILTER(CONCAT(?from,STR(?mun)) <= CONCAT(?to,STR(?mun2))).\n\
  #BIND(IF(STR(?from) < STR(?to),CONCAT(?from,\" <--> \",?to),\n\
  #  CONCAT(?to,\" <--> \",?from)) AS ?distLabel).\n\
\n\
  BIND(COALESCE(\n\
    IF(?distNum >= 40, \"40 - .. km\", 1/0),\n\
    IF(?distNum >= 30, \"30 - 40 km\", 1/0),\n\
    IF(?distNum >= 20, \"20 - 30 km\", 1/0),\n\
    IF(?distNum >= 10, \"10 - 20 km\", 1/0),\n\
    IF(?distNum >= 5, \"05 - 10 km\", 1/0),\n\
    IF(?distNum >= 1, \"01 - 05 km\", \"00 - 01 km\")) AS ?distGrp).\n\
}\n\
ORDER BY ?from ?distGrp"

   // $('#bodyContentResearch').append(queryDataset);
    $.ajax({
                url: endpoint,
                dataType: 'json',
                data: {
                    queryLn: 'SPARQL',
                    query: query ,
                    limit: 'none',
                    infer: 'true',
                    Accept: 'application/sparql-results+json'
                },
                success: displayResult,
                error: displayError
        });
}

function displayError(xhr, textStatus, errorThrown) {
    console.log(textStatus);
    console.log(errorThrown);
}

function displayResult(data) {
    $.each(data.results.bindings, function(index, bs) {
        console.log(bs);
        $("body").append(JSON.stringify(bs) + "<hr/>");
    });
}

        </script>
    </body>
</html>
Test this script in a new tab (Careful, several charts need a API key).
Howto insert this graph in my html page?
<html>
    <head>
     <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">

     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.9.0/css/all.min.css">

     <script
            src="https://code.jquery.com/jquery-3.4.1.min.js"
            integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo="
            crossorigin="anonymous"> </script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"> </script>
     <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"> </script>

     <script type="text/javascript" src="https://bordercloud.github.io/sgvizler2/sgvizler2/sgvizler2.js" defer> </script>
     <script type="text/javascript" src="https://linkedwiki.com/js/initExampleHTML.js"  defer > </script>
    </head>
<body style="margin:0;">
<div id="sgvzl_example_query"
   data-sgvizler-endpoint="https://query.wikidata.org/sparql"
   data-sgvizler-query="PREFIX bd: &lt;http://www.bigdata.com/rdf#&gt;
PREFIX geof: &lt;http://www.opengis.net/def/geosparql/function/&gt;
PREFIX rdfs: &lt;http://www.w3.org/2000/01/rdf-schema#&gt;
PREFIX wdt: &lt;http://www.wikidata.org/prop/direct/&gt;
PREFIX wikibase: &lt;http://wikiba.se/ontology#&gt;

#defaultView:BarChart
PREFIX var_muntype: &lt;http://www.wikidata.org/entity/Q15284&gt;
PREFIX var_area: &lt;http://www.wikidata.org/entity/Q6308&gt;
SELECT ?from ?to ?distGrp WHERE {
  {
    SELECT ?from ?to ?distNum ?mun ?mun2 WHERE {
      { SELECT ?mun (SAMPLE(?loc) AS ?loc)
        WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                     wdt:P131 var_area:;
                     wdt:P625 ?loc. }
        GROUP BY ?mun
      }
      OPTIONAL {
        { SELECT (?mun AS ?mun2) (SAMPLE(?loc) AS ?loc2)
          WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                       wdt:P131 var_area:;
                       wdt:P625 ?loc. }
          GROUP BY ?mun
        }
      }
      BIND(geof:distance(?loc, ?loc2) AS ?distNum).

      SERVICE wikibase:label { bd:serviceParam wikibase:language &quot;[AUTO_LANGUAGE],en&quot;.
        ?mun rdfs:label ?from.
        ?mun2 rdfs:label ?to.
      }
    }
  }
  FILTER(CONCAT(?from,STR(?mun)) &lt;= CONCAT(?to,STR(?mun2))).
  #BIND(IF(STR(?from) &lt; STR(?to),CONCAT(?from,&quot; &lt;--&gt; &quot;,?to),
  #  CONCAT(?to,&quot; &lt;--&gt; &quot;,?from)) AS ?distLabel).

  BIND(COALESCE(
    IF(?distNum &gt;= 40, &quot;40 - .. km&quot;, 1/0),
    IF(?distNum &gt;= 30, &quot;30 - 40 km&quot;, 1/0),
    IF(?distNum &gt;= 20, &quot;20 - 30 km&quot;, 1/0),
    IF(?distNum &gt;= 10, &quot;10 - 20 km&quot;, 1/0),
    IF(?distNum &gt;= 5, &quot;05 - 10 km&quot;, 1/0),
    IF(?distNum &gt;= 1, &quot;01 - 05 km&quot;, &quot;00 - 01 km&quot;)) AS ?distGrp).
}
ORDER BY ?from ?distGrp"
    data-sgvizler-chart='bordercloud.visualization.DataTable'
    data-sgvizler-chart-options=''
    data-sgvizler-endpoint_output_format='json'
    data-sgvizler-log='2'
    style='width:100%; height:auto;'  />

<script>
/*$(function() {
   sgvizler2.containerDrawAll({
       // Google Api key
       googleApiKey : "GOOGLE_MAP_API_KEY",
       // OpenStreetMap Access Token
       //  https://www.mapbox.com/api-documentation/#access-tokens
       osmAccessToken : "OSM_MAP_API_KEY"
     });
});*/
</script>

</body>
</html>
from SPARQLWrapper import SPARQLWrapper, JSON

sparql = SPARQLWrapper("https://query.wikidata.org/sparql")
sparql.setQuery("""
    PREFIX bd: <http://www.bigdata.com/rdf#>
PREFIX geof: <http://www.opengis.net/def/geosparql/function/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wikibase: <http://wikiba.se/ontology#>

#defaultView:BarChart
PREFIX var_muntype: <http://www.wikidata.org/entity/Q15284>
PREFIX var_area: <http://www.wikidata.org/entity/Q6308>
SELECT ?from ?to ?distGrp WHERE {
  {
    SELECT ?from ?to ?distNum ?mun ?mun2 WHERE {
      { SELECT ?mun (SAMPLE(?loc) AS ?loc)
        WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                     wdt:P131 var_area:;
                     wdt:P625 ?loc. }
        GROUP BY ?mun
      }
      OPTIONAL {
        { SELECT (?mun AS ?mun2) (SAMPLE(?loc) AS ?loc2)
          WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                       wdt:P131 var_area:;
                       wdt:P625 ?loc. }
          GROUP BY ?mun
        }
      }
      BIND(geof:distance(?loc, ?loc2) AS ?distNum).

      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en".
        ?mun rdfs:label ?from.
        ?mun2 rdfs:label ?to.
      }
    }
  }
  FILTER(CONCAT(?from,STR(?mun)) <= CONCAT(?to,STR(?mun2))).
  #BIND(IF(STR(?from) < STR(?to),CONCAT(?from," <--> ",?to),
  #  CONCAT(?to," <--> ",?from)) AS ?distLabel).

  BIND(COALESCE(
    IF(?distNum >= 40, "40 - .. km", 1/0),
    IF(?distNum >= 30, "30 - 40 km", 1/0),
    IF(?distNum >= 20, "20 - 30 km", 1/0),
    IF(?distNum >= 10, "10 - 20 km", 1/0),
    IF(?distNum >= 5, "05 - 10 km", 1/0),
    IF(?distNum >= 1, "01 - 05 km", "00 - 01 km")) AS ?distGrp).
}
ORDER BY ?from ?distGrp""")
sparql.setReturnFormat(JSON)
results = sparql.query().convert()

for result in results["results"]["bindings"]:
    print(result)
    #print(result["label"]["value"])
Howto use SPARQL with Python ?
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 geof: <http://www.opengis.net/def/geosparql/function/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wikibase: <http://wikiba.se/ontology#>

#defaultView:BarChart
PREFIX var_muntype: <http://www.wikidata.org/entity/Q15284>
PREFIX var_area: <http://www.wikidata.org/entity/Q6308>
SELECT ?from ?to ?distGrp WHERE {
  {
    SELECT ?from ?to ?distNum ?mun ?mun2 WHERE {
      { SELECT ?mun (SAMPLE(?loc) AS ?loc)
        WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                     wdt:P131 var_area:;
                     wdt:P625 ?loc. }
        GROUP BY ?mun
      }
      OPTIONAL {
        { SELECT (?mun AS ?mun2) (SAMPLE(?loc) AS ?loc2)
          WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                       wdt:P131 var_area:;
                       wdt:P625 ?loc. }
          GROUP BY ?mun
        }
      }
      BIND(geof:distance(?loc, ?loc2) AS ?distNum).

      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en".
        ?mun rdfs:label ?from.
        ?mun2 rdfs:label ?to.
      }
    }
  }
  FILTER(CONCAT(?from,STR(?mun)) <= CONCAT(?to,STR(?mun2))).
  #BIND(IF(STR(?from) < STR(?to),CONCAT(?from," <--> ",?to),
  #  CONCAT(?to," <--> ",?from)) AS ?distLabel).

  BIND(COALESCE(
    IF(?distNum >= 40, "40 - .. km", 1/0),
    IF(?distNum >= 30, "30 - 40 km", 1/0),
    IF(?distNum >= 20, "20 - 30 km", 1/0),
    IF(?distNum >= 10, "10 - 20 km", 1/0),
    IF(?distNum >= 5, "05 - 10 km", 1/0),
    IF(?distNum >= 1, "01 - 05 km", "00 - 01 km")) AS ?distGrp).
}
ORDER BY ?from ?distGrp"
# Step 2 - Use SPARQL package to submit query and save results to a data frame
qd <- SPARQL(endpoint,query)
df <- qd$results
SPARQL with R in less than 5 minutes
#!/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 geof: <http://www.opengis.net/def/geosparql/function/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wikibase: <http://wikiba.se/ontology#>

#defaultView:BarChart
PREFIX var_muntype: <http://www.wikidata.org/entity/Q15284>
PREFIX var_area: <http://www.wikidata.org/entity/Q6308>
SELECT ?from ?to ?distGrp WHERE {
  {
    SELECT ?from ?to ?distNum ?mun ?mun2 WHERE {
      { SELECT ?mun (SAMPLE(?loc) AS ?loc)
        WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                     wdt:P131 var_area:;
                     wdt:P625 ?loc. }
        GROUP BY ?mun
      }
      OPTIONAL {
        { SELECT (?mun AS ?mun2) (SAMPLE(?loc) AS ?loc2)
          WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                       wdt:P131 var_area:;
                       wdt:P625 ?loc. }
          GROUP BY ?mun
        }
      }
      BIND(geof:distance(?loc, ?loc2) AS ?distNum).

      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en".
        ?mun rdfs:label ?from.
        ?mun2 rdfs:label ?to.
      }
    }
  }
  FILTER(CONCAT(?from,STR(?mun)) <= CONCAT(?to,STR(?mun2))).
  #BIND(IF(STR(?from) < STR(?to),CONCAT(?from," <--> ",?to),
  #  CONCAT(?to," <--> ",?from)) AS ?distLabel).

  BIND(COALESCE(
    IF(?distNum >= 40, "40 - .. km", 1/0),
    IF(?distNum >= 30, "30 - 40 km", 1/0),
    IF(?distNum >= 20, "20 - 30 km", 1/0),
    IF(?distNum >= 10, "10 - 20 km", 1/0),
    IF(?distNum >= 5, "05 - 10 km", 1/0),
    IF(?distNum >= 1, "01 - 05 km", "00 - 01 km")) AS ?distGrp).
}
ORDER BY ?from ?distGrp
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
Doc Ruby for SPARQL 1.1
endpoint = 'https://query.wikidata.org/sparql';

query = ['PREFIX bd: <http://www.bigdata.com/rdf#> '...
'PREFIX geof: <http://www.opengis.net/def/geosparql/function/> '...
'PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> '...
'PREFIX wdt: <http://www.wikidata.org/prop/direct/> '...
'PREFIX wikibase: <http://wikiba.se/ontology#> '...
' '...
'#defaultView:BarChart '...
'PREFIX var_muntype: <http://www.wikidata.org/entity/Q15284> '...
'PREFIX var_area: <http://www.wikidata.org/entity/Q6308> '...
'SELECT ?from ?to ?distGrp WHERE { '...
'  { '...
'    SELECT ?from ?to ?distNum ?mun ?mun2 WHERE { '...
'      { SELECT ?mun (SAMPLE(?loc) AS ?loc) '...
'        WHERE { ?mun wdt:P31/wdt:P279* var_muntype:; '...
'                     wdt:P131 var_area:; '...
'                     wdt:P625 ?loc. } '...
'        GROUP BY ?mun '...
'      } '...
'      OPTIONAL { '...
'        { SELECT (?mun AS ?mun2) (SAMPLE(?loc) AS ?loc2) '...
'          WHERE { ?mun wdt:P31/wdt:P279* var_muntype:; '...
'                       wdt:P131 var_area:; '...
'                       wdt:P625 ?loc. } '...
'          GROUP BY ?mun '...
'        } '...
'      } '...
'      BIND(geof:distance(?loc, ?loc2) AS ?distNum). '...
' '...
'      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". '...
'        ?mun rdfs:label ?from. '...
'        ?mun2 rdfs:label ?to. '...
'      } '...
'    } '...
'  } '...
'  FILTER(CONCAT(?from,STR(?mun)) <= CONCAT(?to,STR(?mun2))). '...
'  #BIND(IF(STR(?from) < STR(?to),CONCAT(?from," <--> ",?to), '...
'  #  CONCAT(?to," <--> ",?from)) AS ?distLabel). '...
' '...
'  BIND(COALESCE( '...
'    IF(?distNum >= 40, "40 - .. km", 1/0), '...
'    IF(?distNum >= 30, "30 - 40 km", 1/0), '...
'    IF(?distNum >= 20, "20 - 30 km", 1/0), '...
'    IF(?distNum >= 10, "10 - 20 km", 1/0), '...
'    IF(?distNum >= 5, "05 - 10 km", 1/0), '...
'    IF(?distNum >= 1, "01 - 05 km", "00 - 01 km")) AS ?distGrp). '...
'} '...
'ORDER BY ?from ?distGrp '];

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')
Project Github MatlabSPARQL
<?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 geof: <http://www.opengis.net/def/geosparql/function/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wikibase: <http://wikiba.se/ontology#>

#defaultView:BarChart
PREFIX var_muntype: <http://www.wikidata.org/entity/Q15284>
PREFIX var_area: <http://www.wikidata.org/entity/Q6308>
SELECT ?from ?to ?distGrp WHERE {
  {
    SELECT ?from ?to ?distNum ?mun ?mun2 WHERE {
      { SELECT ?mun (SAMPLE(?loc) AS ?loc)
        WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                     wdt:P131 var_area:;
                     wdt:P625 ?loc. }
        GROUP BY ?mun
      }
      OPTIONAL {
        { SELECT (?mun AS ?mun2) (SAMPLE(?loc) AS ?loc2)
          WHERE { ?mun wdt:P31/wdt:P279* var_muntype:;
                       wdt:P131 var_area:;
                       wdt:P625 ?loc. }
          GROUP BY ?mun
        }
      }
      BIND(geof:distance(?loc, ?loc2) AS ?distNum).

      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en".
        ?mun rdfs:label ?from.
        ?mun2 rdfs:label ?to.
      }
    }
  }
  FILTER(CONCAT(?from,STR(?mun)) <= CONCAT(?to,STR(?mun2))).
  #BIND(IF(STR(?from) < STR(?to),CONCAT(?from," <--> ",?to),
  #  CONCAT(?to," <--> ",?from)) AS ?distLabel).

  BIND(COALESCE(
    IF(?distNum >= 40, "40 - .. km", 1/0),
    IF(?distNum >= 30, "30 - 40 km", 1/0),
    IF(?distNum >= 20, "20 - 30 km", 1/0),
    IF(?distNum >= 10, "10 - 20 km", 1/0),
    IF(?distNum >= 5, "05 - 10 km", 1/0),
    IF(?distNum >= 1, "01 - 05 km", "00 - 01 km")) AS ?distGrp).
}
ORDER BY ?from ?distGrpEOD;
$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";
 }
 ?>
Project Github BorderCloud/SPARQL
import com.bordercloud.sparql.Endpoint;
import java.util.ArrayList;
import java.util.HashMap;

public class Main {

    public static void main(String[] args) {
        try {
            Endpoint sp = new Endpoint("https://query.wikidata.org/sparql";, false);

            String querySelect = 'PREFIX bd: <http://www.bigdata.com/rdf#> \n'
                    + 'PREFIX geof: <http://www.opengis.net/def/geosparql/function/> \n'
                    + 'PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \n'
                    + 'PREFIX wdt: <http://www.wikidata.org/prop/direct/> \n'
                    + 'PREFIX wikibase: <http://wikiba.se/ontology#> \n'
                    + ' \n'
                    + '#defaultView:BarChart \n'
                    + 'PREFIX var_muntype: <http://www.wikidata.org/entity/Q15284> \n'
                    + 'PREFIX var_area: <http://www.wikidata.org/entity/Q6308> \n'
                    + 'SELECT ?from ?to ?distGrp WHERE { \n'
                    + '  { \n'
                    + '    SELECT ?from ?to ?distNum ?mun ?mun2 WHERE { \n'
                    + '      { SELECT ?mun (SAMPLE(?loc) AS ?loc) \n'
                    + '        WHERE { ?mun wdt:P31/wdt:P279* var_muntype:; \n'
                    + '                     wdt:P131 var_area:; \n'
                    + '                     wdt:P625 ?loc. } \n'
                    + '        GROUP BY ?mun \n'
                    + '      } \n'
                    + '      OPTIONAL { \n'
                    + '        { SELECT (?mun AS ?mun2) (SAMPLE(?loc) AS ?loc2) \n'
                    + '          WHERE { ?mun wdt:P31/wdt:P279* var_muntype:; \n'
                    + '                       wdt:P131 var_area:; \n'
                    + '                       wdt:P625 ?loc. } \n'
                    + '          GROUP BY ?mun \n'
                    + '        } \n'
                    + '      } \n'
                    + '      BIND(geof:distance(?loc, ?loc2) AS ?distNum). \n'
                    + ' \n'
                    + '      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". \n'
                    + '        ?mun rdfs:label ?from. \n'
                    + '        ?mun2 rdfs:label ?to. \n'
                    + '      } \n'
                    + '    } \n'
                    + '  } \n'
                    + '  FILTER(CONCAT(?from,STR(?mun)) <= CONCAT(?to,STR(?mun2))). \n'
                    + '  #BIND(IF(STR(?from) < STR(?to),CONCAT(?from," <--> ",?to), \n'
                    + '  #  CONCAT(?to," <--> ",?from)) AS ?distLabel). \n'
                    + ' \n'
                    + '  BIND(COALESCE( \n'
                    + '    IF(?distNum >= 40, "40 - .. km", 1/0), \n'
                    + '    IF(?distNum >= 30, "30 - 40 km", 1/0), \n'
                    + '    IF(?distNum >= 20, "20 - 30 km", 1/0), \n'
                    + '    IF(?distNum >= 10, "10 - 20 km", 1/0), \n'
                    + '    IF(?distNum >= 5, "05 - 10 km", 1/0), \n'
                    + '    IF(?distNum >= 1, "01 - 05 km", "00 - 01 km")) AS ?distGrp). \n'
                    + '} \n'
                    + 'ORDER BY ?from ?distGrp \n';

            HashMap rs = sp.query(querySelect);
            printResult(rs,30);

        }catch(EndpointException eex) {
            System.out.println(eex);
            eex.printStackTrace();
        }
    }

    public static void printResult(HashMap rs , int size) {

      for (String variable : (ArrayList) rs.get("result").get("variables")) {
        System.out.print(String.format("%-"+size+"."+size+"s", variable ) + " | ");
      }
      System.out.print("\n");
      for (HashMap value : (ArrayList>) rs.get("result").get("rows")) {
        //System.out.print(value);
        /* for (String key : value.keySet()) {
         System.out.println(value.get(key));
         }*/
        for (String variable : (ArrayList) rs.get("result").get("variables")) {
          //System.out.println(value.get(variable));
          System.out.print(String.format("%-"+size+"."+size+"s", value.get(variable)) + " | ");
        }
        System.out.print("\n");
      }
    }
}
Project Github BorderCloud/SPARQL-JAVA
Very soon !
TODO