I have store rdf statement to database from inference ontology such as example below :
(http://www.digilib.stis.ac.id/skripsi/78 rdf:type http://www.semanticweb.org/ontologies/2012/7/OntologySkripsiKomputasi.owl#pengembanganWebService) - (http://www.digilib.stis.ac.id/skripsi/78 rdf:type http://www.semanticweb.org/ontologies/2012/7/OntologySkripsiKomputasi.owl#aplikasiWeb) - (http://www.digilib.stis.ac.id/skripsi/78 rdf:type http://www.semanticweb.org/ontologies/2012/7/OntologySkripsiKomputasi.owl#pengembanganSistem) - (http://www.digilib.stis.ac.id/skripsi/78 rdf:type http://www.semanticweb.org/ontologies/2012/7/OntologySkripsiKomputasi.owl#skripsiKS) - (http://www.digilib.stis.ac.id/skripsi/78 owl:sameAs http://www.digilib.stis.ac.id/skripsi/78) - (http://www.digilib.stis.ac.id/skripsi/69 http://www.semanticweb.org/ontoloies/2012/7/OntologySkripsiKomputasi.owl#anotasiOleh 'Indra') - (http://www.digilib.stis.ac.id/skripsi/69 http://purl.org/dc/elements/1.1/creator '07.5371') - (http://www.digilib.stis.ac.id/skripsi/69 rdf:type 'semantic.OntologyKomputasi.metodelogiPenelitian') - (http://www.digilib.stis.ac.id/skripsi/200491 rdf:type 'semantic.OntologyKomputasi.mechanicalTurk') - (http://www.digilib.stis.ac.id/skripsi/200491 rdf:type http://www.semanticweb.org/ontologies/2012/7/OntologySkripsiKomputasi.owl#mechanicalTurk) - (http://www.digilib.stis.ac.id/skripsi/200491 rdf:type http://www.semanticweb.org/ontologies/2012/7/OntologySkripsiKomputasi.owl#aplikasiWeb) I assume from many example that I've been read, sparql query cannot directly to the database, but we have to create a model and call it from database and then query it. So I try this : m = maker.getModel(DOCUMENT_NAME); String queryString = "PREFIX ont: <http://www.semanticweb.org/ontologies/2012/7/OntologySkripsiKomputasi.owl#>" + "PREFIX dl: <http://www.digilib.stis.ac.id/skripsi/>" + "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>" + "PREFIX dc: <http://purl.org/dc/elements/1.1/>" + "SELECT DISTINCT ?type ?title ?creator" + "WHERE {" + "?type rdf:type dl:aplikasiWeb" + "?title dc:title " + "?creator dc:creator " +"}"; Query query = QueryFactory.create(queryString); QueryExecution qeExec = QueryExecutionFactory.create(query, m); printStatements(m, null, null, null); //output ResultSet result = qeExec.execSelect(); ResultSetFormatter.out(System.out, result, query); qeExec.close(); To get resource http://www.digilib.stis.ac.id/skripsi/78 and the thesis creator & title. But it doesn't work. My Question : 1. Is there something direct query over database, so I don't have to call the model and sparql it? 2. If there's no way to do that, and I should call the model and do like my code above, is there any way to store it like SQL code below? while (rs.next()) { Thesis thesis= new Thesis(); thesis.setIdThesis(rs.getString("thesis_code")); thesis.setTitle(rs.getString("thesis_title")); } Thanks for your help.
