Iterator<Ontology> it = oi.getOntologyVersions(new NullProgressMonitor());
while(it.hasNext()) {
Ontology ont = it.next();
IReasoner r = new SnorocketReasoner();
r.loadAxioms(ont);
r = r.classify();
Ontology co = r.getClassifiedOntology();
int numConcepts = co.getNodeMap().keySet().size();
System.out.println("numConcepts: "+numConcepts);
}