code: @Override
  	public IndividualPropertyHelper withIndividual(URI id) {
  		if(id!=null) {
  			Individual<?,?> srcIndividual=null;
  			if(id.isAbsolute()) {
  				srcIndividual=this.individual.dataSet().individual(id, ExternalIndividual.class);
  			} else {
  				srcIndividual=this.individual.dataSet().individual(id, NewIndividual.class);
  			}
  			this.individual.addValue(this.propertyId,srcIndividual);
  		}
  		return new IndividualPropertyHelperImpl(new IndividualHelperImpl(this.individual),this);
  	}
docs: {@inheritDoc}