package org.d2rq.examples; import org.d2rq.jena.ModelD2RQ; import org.d2rq.vocab.ISWC; import com.hp.hpl.jena.rdf.model.Resource; import com.hp.hpl.jena.rdf.model.StmtIterator; import com.hp.hpl.jena.sparql.vocabulary.FOAF; import com.hp.hpl.jena.vocabulary.DC; import com.hp.hpl.jena.vocabulary.RDF; public class JenaModelExample { public static void main(String[] args) { // Set up the ModelD2RQ using a mapping file ModelD2RQ m = new ModelD2RQ("file:doc/example/mapping-iswc.ttl"); // Find anything with an rdf:type of iswc:InProceedings StmtIterator paperIt = m.listStatements(null, RDF.type, ISWC.InProceedings); // List found papers and print their titles while (paperIt.hasNext()) { Resource paper = paperIt.nextStatement().getSubject(); System.out.println("Paper: " + paper.getProperty(DC.title).getString()); // List authors of the paper and print their names StmtIterator authorIt = paper.listProperties(DC.creator); while (authorIt.hasNext()) { Resource author = authorIt.nextStatement().getResource(); System.out.println("Author: " + author.getProperty(FOAF.name).getString()); } System.out.println(); } m.close(); } }