} else if (isSuperclassOfRelation(r)) {
relatedNode = new SuperClassNode(conceptDescription.getName());
edges.add(new LineEdge(superClassRoot, relatedNode));
} else {
// otherwise, the object _is superclass of_ this, so...
relatedNode = new SubClassNode(conceptDescription.getName());
edges.add(new LineEdge(subClassRoot, relatedNode));
}
nodes.add(relatedNode);
}