Откат

Building on earlier work that integrates dif- ferent factors in language modeling, we view (i) backing off to a shorter history and (ii) class-based generalization as two complemen- tary mechanisms …...

AbstractLexicalized and hierarchical reordering models use relative frequencies of fully lexicalized phrase pairs to learn phrase reordering distributions. This results in unreliable estimation for infrequent phrase pairs which also tend …...