This package has been deprecated

Author message:

use virtuoso-sparql-client instead

simple-sparql-client

Simple SPARQL HTTP Client library for Node.js

install

    npm install sparql-simple-client

usage

const Sparql = require('simple-sparql-client');
const Client = new Sparql.Client("http://dbpedia.org/sparql", {dbpedia : "http://dbpedia.org/"});
 
let opts = {
  headers: {
    'content-type': 'application/x-www-form-urlencoded',
    'accept': 'application/ld+json'
  }
};
 
Client.query('DESCRIBE <http://dbpedia.org/resource/Sardinia>', opts)
  .then((results)=>{
    console.log(results);
  })
  .catch((err) => {
    console.log(err);
  });

methods

query(queryString [, opts])

Returns the complete results object, its format depends on request header in the opts object.

queryString defines the SPARQL query as a String;

Opts object defines:

• uri: "", // To change the default Client endpoint
• headers: {},
• encoding: '', // Default: utf8
• prefixes: {} // To override the default Client prefixes

setDefaultGraph(iri)

Set the default graph for the Client

iri the graph iri as a String;

setGraph(iri)

Set a graph for the next query

iri the graph iri as a String;