public function importXmlRdf($targetNameSpace, $fileLocation)
    {
        $returnValue = (bool) false;

        if(!file_exists($fileLocation) || !is_readable($fileLocation)){
            throw new common_Exception("Unable to load ontology : $fileLocation");
        }
        
	    if(!preg_match("/#$/", $targetNameSpace)){
			$targetNameSpace .= '#';
		}
		$modFactory = new core_kernel_api_ModelFactory();
		$returnValue = $modFactory->createModel($targetNameSpace, file_get_contents($fileLocation));
		


        return (bool) $returnValue;
    }