Index: BH13SPARQLBuilder/src/org/biohackathon/SPARQLBuilder/OWL/OWLClassGraph.java
===================================================================
--- BH13SPARQLBuilder/src/org/biohackathon/SPARQLBuilder/OWL/OWLClassGraph.java (revision 52)
+++ BH13SPARQLBuilder/src/org/biohackathon/SPARQLBuilder/OWL/OWLClassGraph.java (revision 53)
@@ -145,6 +145,7 @@
                   LinkAndPath crrlp = lit.next();
                   ClassLink[] classLinks = null;
-                  classLinks = qb.getNextClassViaInstanceLink(null, crrlp.classLink.getLinkedClassURI(), limit); 
+                  classLinks = qb.getNextClass(null, crrlp.classLink.getLinkedClassURI(), limit, true); 
                   for ( int j = 0 ; j < classLinks.length; j++ ){
+                      if ( classLinks[j].getNumOfLinks() == 0 ){ continue; }
                       List<ClassLink> crrpath = new LinkedList<>(crrlp.path);
                       crrpath.add(classLinks[j]);