... sets form the training material used for building four different grammars The four grammars differ along two dimensions: the number of automata used for building them and the algorithm used for ... for all parts of speech) In Figure we plot all values of PP and MS computed for different values of alpha, for each training set (i.e., left and right) From the plots we can identify values of ... rule The probability for it is × 0.5 × 0.5, that is, the probability of the derivation for Adj Adj times the probability of the pseudo-rule used Trees for this particular grammar are flat, with...