UnavailableRuleObjectException,
UnsupportedTypeForExportException {
org.apache.stanbol.rules.manager.atoms.GreaterThanAtom tmp = (org.apache.stanbol.rules.manager.atoms.GreaterThanAtom) ruleAtom;
ExpressionAtom argument1 = tmp.getArgument1();
ExpressionAtom argument2 = tmp.getArgument2();
OWLDataFactory factory = OWLManager.getOWLDataFactory();
SWRLAtom swrlAtom1 = (SWRLAtom) adapter.adaptTo(argument1, SWRLRule.class);
SWRLAtom swrlAtom2 = (SWRLAtom) adapter.adaptTo(argument2, SWRLRule.class);