/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package arq.examples; import org.apache.jena.query.* ; import org.apache.jena.sparql.engine.http.QueryEngineHTTP ; public class ExampleDBpedia1 { static public void main(String...argv) { String queryStr = "select distinct ?Concept where {[] a ?Concept} LIMIT 10"; Query query = QueryFactory.create(queryStr); // Remote execution. try ( QueryExecution qexec = QueryExecutionFactory.sparqlService("http://dbpedia.org/sparql", query) ) { // Set the DBpedia specific timeout. ((QueryEngineHTTP)qexec).addParam("timeout", "10000") ; // Execute. ResultSet rs = qexec.execSelect(); ResultSetFormatter.out(System.out, rs, query); } catch (Exception e) { e.printStackTrace(); } } }