1 n 1/0.9,TMVpx,g,r (71) = Xcan., (it, T) = N 2_, Q where N = N (p, g,T) is a normalization factor defined appropriately, e.g. via N (p, g,T) = max Vil a . One could make similar definitions leaving out the computational cost factor Q, but we suspect that incorporating Q is a more promising directi