SPARQL query: Names of persons affiliated to selected institutions

Karima Rafes

culture GESIS – Leibniz Inst… Deutsche Bundesbank ZEW ZBW - Leibniz Inform…

Names of persons affiliated to selected institutions

Example

Reuse these data in your code

Query, endpoint and code for reusing the same data

Endpoint:

https://zbw.eu/beta/sparql/gnd/query

Query:

# Names of persons affiliated to selected institutions
#
PREFIX :        <https://d-nb.info/gnd/>
PREFIX gndo:    <https://d-nb.info/standards/elementset/gnd#>

select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel)
where {
  values ( ?corp )
  {
    ( <https://d-nb.info/gnd/1002465-7> )  # Bundesbank
    ( <https://d-nb.info/gnd/37419-2> )    # DIW
    ( <https://d-nb.info/gnd/16015541-1> ) # GESIS
    ( <https://d-nb.info/gnd/16345994-0> ) # IFO
    ( <https://d-nb.info/gnd/39048-3> )    # RWI
    ( <https://d-nb.info/gnd/90968-3> )    # WZB
    ( <https://d-nb.info/gnd/10158795-8> ) # ZBW
    ( <https://d-nb.info/gnd/2120785-9> )  # ZEW
    
  }
  ?corp gndo:preferredNameForTheCorporateBody ?corpName .
  ?person gndo:affiliation ?corp ;
    gndo:preferredNameForThePerson ?personName
}
order by ?corpName ?personName

Howto write a query SPARQL? (in French)

{{#sparql:# Names of persons affiliated to selected institutions
#
PREFIX :        <https://d-nb.info/gnd/>
PREFIX gndo:    <https://d-nb.info/standards/elementset/gnd#>

select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel)
where {
  values ( ?corp )
  {
    ( <https://d-nb.info/gnd/1002465-7> )  # Bundesbank
    ( <https://d-nb.info/gnd/37419-2> )    # DIW
    ( <https://d-nb.info/gnd/16015541-1> ) # GESIS
    ( <https://d-nb.info/gnd/16345994-0> ) # IFO
    ( <https://d-nb.info/gnd/39048-3> )    # RWI
    ( <https://d-nb.info/gnd/90968-3> )    # WZB
    ( <https://d-nb.info/gnd/10158795-8> ) # ZBW
    ( <https://d-nb.info/gnd/2120785-9> )  # ZEW
    
  }
  ?corp gndo:preferredNameForTheCorporateBody ?corpName .
  ?person gndo:affiliation ?corp ;
    gndo:preferredNameForThePerson ?personName
}
order by ?corpName ?personName
| endpoint = https://zbw.eu/beta/sparql/gnd/query
| 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://zbw.eu/beta/sparql/gnd/query";
    var query = `# Names of persons affiliated to selected institutions
#
PREFIX :        <https://d-nb.info/gnd/>
PREFIX gndo:    <https://d-nb.info/standards/elementset/gnd#>

select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel)
where {
  values ( ?corp )
  {
    ( <https://d-nb.info/gnd/1002465-7> )  # Bundesbank
    ( <https://d-nb.info/gnd/37419-2> )    # DIW
    ( <https://d-nb.info/gnd/16015541-1> ) # GESIS
    ( <https://d-nb.info/gnd/16345994-0> ) # IFO
    ( <https://d-nb.info/gnd/39048-3> )    # RWI
    ( <https://d-nb.info/gnd/90968-3> )    # WZB
    ( <https://d-nb.info/gnd/10158795-8> ) # ZBW
    ( <https://d-nb.info/gnd/2120785-9> )  # ZEW
    
  }
  ?corp gndo:preferredNameForTheCorporateBody ?corpName .
  ?person gndo:affiliation ?corp ;
    gndo:preferredNameForThePerson ?personName
}
order by ?corpName ?personName`;

   // $('#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.

<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 url = new URL("https://zbw.eu/beta/sparql/gnd/query");
    var params = {query:`# Names of persons affiliated to selected institutions
#
PREFIX :        <https://d-nb.info/gnd/>
PREFIX gndo:    <https://d-nb.info/standards/elementset/gnd#>

select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel)
where {
  values ( ?corp )
  {
    ( <https://d-nb.info/gnd/1002465-7> )  # Bundesbank
    ( <https://d-nb.info/gnd/37419-2> )    # DIW
    ( <https://d-nb.info/gnd/16015541-1> ) # GESIS
    ( <https://d-nb.info/gnd/16345994-0> ) # IFO
    ( <https://d-nb.info/gnd/39048-3> )    # RWI
    ( <https://d-nb.info/gnd/90968-3> )    # WZB
    ( <https://d-nb.info/gnd/10158795-8> ) # ZBW
    ( <https://d-nb.info/gnd/2120785-9> )  # ZEW
    
  }
  ?corp gndo:preferredNameForTheCorporateBody ?corpName .
  ?person gndo:affiliation ?corp ;
    gndo:preferredNameForThePerson ?personName
}
order by ?corpName ?personName`};

    url.search = new URLSearchParams(params).toString();

    var myHeaders = new Headers();
    myHeaders.append("Accept", "application/sparql-results+json");

    var requestOptions = {
      method: 'GET',
      headers: myHeaders,
      redirect: 'follow'
    };

    fetch(url, requestOptions)
        .then(response => response.json())
        .then(result => displayResult(result))
        .catch(error => displayError(error));
}

function displayError(error) {
    console.log(error);
}

function displayResult(data) {
    data.results.bindings.forEach(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://zbw.eu/beta/sparql/gnd/query"
   data-sgvizler-query="# Names of persons affiliated to selected institutions
#
PREFIX :        &lt;https://d-nb.info/gnd/&gt;
PREFIX gndo:    &lt;https://d-nb.info/standards/elementset/gnd#&gt;

select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel)
where {
  values ( ?corp )
  {
    ( &lt;https://d-nb.info/gnd/1002465-7&gt; )  # Bundesbank
    ( &lt;https://d-nb.info/gnd/37419-2&gt; )    # DIW
    ( &lt;https://d-nb.info/gnd/16015541-1&gt; ) # GESIS
    ( &lt;https://d-nb.info/gnd/16345994-0&gt; ) # IFO
    ( &lt;https://d-nb.info/gnd/39048-3&gt; )    # RWI
    ( &lt;https://d-nb.info/gnd/90968-3&gt; )    # WZB
    ( &lt;https://d-nb.info/gnd/10158795-8&gt; ) # ZBW
    ( &lt;https://d-nb.info/gnd/2120785-9&gt; )  # ZEW
    
  }
  ?corp gndo:preferredNameForTheCorporateBody ?corpName .
  ?person gndo:affiliation ?corp ;
    gndo:preferredNameForThePerson ?personName
}
order by ?corpName ?personName"
    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;'
    lang='en'
   />

<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://zbw.eu/beta/sparql/gnd/query")
sparql.setQuery("""
    # Names of persons affiliated to selected institutions
#
PREFIX :        <https://d-nb.info/gnd/>
PREFIX gndo:    <https://d-nb.info/standards/elementset/gnd#>

select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel)
where {
  values ( ?corp )
  {
    ( <https://d-nb.info/gnd/1002465-7> )  # Bundesbank
    ( <https://d-nb.info/gnd/37419-2> )    # DIW
    ( <https://d-nb.info/gnd/16015541-1> ) # GESIS
    ( <https://d-nb.info/gnd/16345994-0> ) # IFO
    ( <https://d-nb.info/gnd/39048-3> )    # RWI
    ( <https://d-nb.info/gnd/90968-3> )    # WZB
    ( <https://d-nb.info/gnd/10158795-8> ) # ZBW
    ( <https://d-nb.info/gnd/2120785-9> )  # ZEW
    
  }
  ?corp gndo:preferredNameForTheCorporateBody ?corpName .
  ?person gndo:affiliation ?corp ;
    gndo:preferredNameForThePerson ?personName
}
order by ?corpName ?personName""")
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://zbw.eu/beta/sparql/gnd/query"
# create query statement
    query <- "# Names of persons affiliated to selected institutions
#
PREFIX :        <https://d-nb.info/gnd/>
PREFIX gndo:    <https://d-nb.info/standards/elementset/gnd#>

select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel)
where {
  values ( ?corp )
  {
    ( <https://d-nb.info/gnd/1002465-7> )  # Bundesbank
    ( <https://d-nb.info/gnd/37419-2> )    # DIW
    ( <https://d-nb.info/gnd/16015541-1> ) # GESIS
    ( <https://d-nb.info/gnd/16345994-0> ) # IFO
    ( <https://d-nb.info/gnd/39048-3> )    # RWI
    ( <https://d-nb.info/gnd/90968-3> )    # WZB
    ( <https://d-nb.info/gnd/10158795-8> ) # ZBW
    ( <https://d-nb.info/gnd/2120785-9> )  # ZEW
    
  }
  ?corp gndo:preferredNameForTheCorporateBody ?corpName .
  ?person gndo:affiliation ?corp ;
    gndo:preferredNameForThePerson ?personName
}
order by ?corpName ?personName"
# 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

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://zbw.eu/beta/sparql/gnd/query"
sparql = <<-EOT
# Names of persons affiliated to selected institutions
#
PREFIX :        <https://d-nb.info/gnd/>
PREFIX gndo:    <https://d-nb.info/standards/elementset/gnd#>

select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel)
where {
  values ( ?corp )
  {
    ( <https://d-nb.info/gnd/1002465-7> )  # Bundesbank
    ( <https://d-nb.info/gnd/37419-2> )    # DIW
    ( <https://d-nb.info/gnd/16015541-1> ) # GESIS
    ( <https://d-nb.info/gnd/16345994-0> ) # IFO
    ( <https://d-nb.info/gnd/39048-3> )    # RWI
    ( <https://d-nb.info/gnd/90968-3> )    # WZB
    ( <https://d-nb.info/gnd/10158795-8> ) # ZBW
    ( <https://d-nb.info/gnd/2120785-9> )  # ZEW
    
  }
  ?corp gndo:preferredNameForTheCorporateBody ?corpName .
  ?person gndo:affiliation ?corp ;
    gndo:preferredNameForThePerson ?personName
}
order by ?corpName ?personName
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://zbw.eu/beta/sparql/gnd/query';

query = ['# Names of persons affiliated to selected institutions '...
'# '...
'PREFIX :        <https://d-nb.info/gnd/> '...
'PREFIX gndo:    <https://d-nb.info/standards/elementset/gnd#> '...
' '...
'select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel) '...
'where { '...
'  values ( ?corp ) '...
'  { '...
'    ( <https://d-nb.info/gnd/1002465-7> )  # Bundesbank '...
'    ( <https://d-nb.info/gnd/37419-2> )    # DIW '...
'    ( <https://d-nb.info/gnd/16015541-1> ) # GESIS '...
'    ( <https://d-nb.info/gnd/16345994-0> ) # IFO '...
'    ( <https://d-nb.info/gnd/39048-3> )    # RWI '...
'    ( <https://d-nb.info/gnd/90968-3> )    # WZB '...
'    ( <https://d-nb.info/gnd/10158795-8> ) # ZBW '...
'    ( <https://d-nb.info/gnd/2120785-9> )  # ZEW '...
'     '...
'  } '...
'  ?corp gndo:preferredNameForTheCorporateBody ?corpName . '...
'  ?person gndo:affiliation ?corp ; '...
'    gndo:preferredNameForThePerson ?personName '...
'} '...
'order by ?corpName ?personName '];

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://zbw.eu/beta/sparql/gnd/query";
$sp_readonly = new SparqlClient();
$sp_readonly->setEndpointRead($endpoint);
$q = <<<EOD
# Names of persons affiliated to selected institutions
#
PREFIX :        <https://d-nb.info/gnd/>
PREFIX gndo:    <https://d-nb.info/standards/elementset/gnd#>

select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel)
where {
  values ( ?corp )
  {
    ( <https://d-nb.info/gnd/1002465-7> )  # Bundesbank
    ( <https://d-nb.info/gnd/37419-2> )    # DIW
    ( <https://d-nb.info/gnd/16015541-1> ) # GESIS
    ( <https://d-nb.info/gnd/16345994-0> ) # IFO
    ( <https://d-nb.info/gnd/39048-3> )    # RWI
    ( <https://d-nb.info/gnd/90968-3> )    # WZB
    ( <https://d-nb.info/gnd/10158795-8> ) # ZBW
    ( <https://d-nb.info/gnd/2120785-9> )  # ZEW
    
  }
  ?corp gndo:preferredNameForTheCorporateBody ?corpName .
  ?person gndo:affiliation ?corp ;
    gndo:preferredNameForThePerson ?personName
}
order by ?corpName ?personName
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";
 }
 ?>

Project Github BorderCloud/SPARQL

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://zbw.eu/beta/sparql/gnd/query");
            String querySelect  = "# Names of persons affiliated to selected institutions \n"
                    + "# \n"
                    + "PREFIX :        <https://d-nb.info/gnd/> \n"
                    + "PREFIX gndo:    <https://d-nb.info/standards/elementset/gnd#> \n"
                    + " \n"
                    + "select distinct ?corp (str(?corpName) as ?corpLabel) ?person (str(?personName) as ?personLabel) \n"
                    + "where { \n"
                    + "  values ( ?corp ) \n"
                    + "  { \n"
                    + "    ( <https://d-nb.info/gnd/1002465-7> )  # Bundesbank \n"
                    + "    ( <https://d-nb.info/gnd/37419-2> )    # DIW \n"
                    + "    ( <https://d-nb.info/gnd/16015541-1> ) # GESIS \n"
                    + "    ( <https://d-nb.info/gnd/16345994-0> ) # IFO \n"
                    + "    ( <https://d-nb.info/gnd/39048-3> )    # RWI \n"
                    + "    ( <https://d-nb.info/gnd/90968-3> )    # WZB \n"
                    + "    ( <https://d-nb.info/gnd/10158795-8> ) # ZBW \n"
                    + "    ( <https://d-nb.info/gnd/2120785-9> )  # ZEW \n"
                    + "     \n"
                    + "  } \n"
                    + "  ?corp gndo:preferredNameForTheCorporateBody ?corpName . \n"
                    + "  ?person gndo:affiliation ?corp ; \n"
                    + "    gndo:preferredNameForThePerson ?personName \n"
                    + "} \n"
                    + "order by ?corpName ?personName \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");
        }
    }
}

For example, with Gradle :

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,)"
}

Project Github BorderCloud/SPARQL-JAVA
Other SPARQL client : RDF4J

You can use the SPARQL clients in Java : BorderCloud/SPARQL-JAVA or RDF4J

Table view

Simple view on the data

Reuse these data in your code

Query, endpoint and code for reusing the same data