Complete result settings for KDDCup 2000 dataset (table columns are sortable)
The experiments are described in Rooshenas and Lowd, Discriminative Structure Learning of Arithmetic Circuits, AIStats 16

Tree# C Max. EM Iteration Train CLL Validation CLL Test CLL Learning Time
1 0.010000 20 -1.185305 -1.187097 -1.067471 7108.575464
1 0.100000 20 -1.106881 -1.113639 -1.006827 6951.686527
1 0.050000 20 -1.116821 -1.122210 -1.012377 7059.899651
1 0.500000 20 -1.098502 -1.108874 -1.007348 6988.860773
1 2.000000 20 -1.096561 -1.109709 -1.010780 7788.862451
1 1.000000 20 -1.097192 -1.108660 -1.009152 8284.060339