long dura = System.nanoTime()-s;
System.err.println("NodesRequest " + System.identityHashCode(this) + " in " + 1e-6*dura + "ms. " + variable.getURI(graph));
}
long dura = System.nanoTime()-s;
System.err.println("NodesRequest " + System.identityHashCode(this) + " in " + 1e-6*dura + "ms. " + variable.getURI(graph));
}