/** Converts all object occurances of rdfs:Resource with owl:Thing */
private void convertRDFSResource() {
for (StmtIterator it = model.listStatements(null, null, RDFS.Resource); it.hasNext(); ) {
Statement s = it.nextStatement();
s.getModel().add(s.getSubject(), s.getPredicate(), OWL.Thing);
if (log.isLoggable(Level.FINE)) {
log.fine("Replaced triple " + s + " with (x, x, owl:Thing)");
}
it.remove();
}
}
/** Converts all rdfs:Classes into owl:Classes */
private void convertRDFSClasses() {
for (StmtIterator it = model.listStatements(null, RDF.type, RDFS.Class); it.hasNext(); ) {
Statement s = it.nextStatement();
Resource clazz = s.getSubject();
s.getModel().add(clazz, RDF.type, OWL.Class);
it.remove();
if (log.isLoggable(Level.FINE)) {
log.fine("Converted rdfs:Class " + clazz + " into owl:Class");
}
}
}
/** Converts the properties to either owl:DatatypeProperties or owl:ObjectProperties. */
private void convertProperties() {
for (StmtIterator it = model.listStatements(null, RDF.type, RDF.Property); it.hasNext(); ) {
Statement s = it.nextStatement();
Resource property = s.getSubject();
Resource type = getPropertyType(property);
s.getModel().add(property, RDF.type, type);
it.remove();
if (log.isLoggable(Level.FINE)) {
log.fine("Converted rdf:Property " + property + " into " + type);
}
}
}