Hi, I want to access remote sparql endpoint throuth JENA API. My program is below. After I ran the program, There is no record in resultset ----- | p | ===== ----- But I visit http://dbpedia.org/sparql and ran this sparql ( select * where {?p dbpedia-owl:country dbpedia:Germany.} LIMIT 10 ) as same as sparql in my program, I can get the result i want
p http://dbpedia.org/resource/%C3%96lsen http://dbpedia.org/resource/%C3%96stringen http://dbpedia.org/resource/%C3%9Cbach-Palenberg http://dbpedia.org/resource/%C3%9Cberherrn http://dbpedia.org/resource/%C3%9Cdersdorf http://dbpedia.org/resource/%C3%9Chlingen-Birkendorf http://dbpedia.org/resource/%C3%9Crzig http://dbpedia.org/resource/16_Blocks http://dbpedia.org/resource/18_%E2%80%93_Allein_unter_M%C3%A4dchen http://dbpedia.org/resource/2011_German_Grand_Prix Can you point out my error? thanks very much! public static void SearchSparql(){ try { String queryStr = "PREFIX dbpedia: <http://dbpedia.org/>" + "PREFIX dbpedia-owl: <http://dbpedia.org/ontology/>" + "select * where {?p dbpedia-owl:country dbpedia:Germany.} LIMIT 10"; Query query = QueryFactory.create(queryStr); QueryExecution qexec = QueryExecutionFactory.sparqlService("http://dbpedia.org/sparql";, query); ((QueryEngineHTTP)qexec).addParam("timeout", "10000") ; ResultSet rs = qexec.execSelect(); ResultSetFormatter.out(System.out, rs, query); qexec.close(); } catch (Exception e) { e.printStackTrace(); } } 2013-09-02 bocai 中国科学院国家科学图书馆成都分馆 中国科学院成都文献情报中心 联系电话：028-85220240 联系地址：610041 四川省成都市一环路南二段16号 电子邮箱：[email protected] ----------------------------------------------------------------------
