package de.fuberlin.wiwiss.d2rq.examples;
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;
import de.fuberlin.wiwiss.d2rq.jena.ModelD2RQ;
import de.fuberlin.wiwiss.d2rq.vocab.ISWC;
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();
}
}