other,18-3-N04-1022,bq | </term> from <term> word strings </term> , <term> | word-to-word alignments | </term> from an <term> MT system </term> , and | #6593 We describe a hierarchy of loss functions that incorporate different levels of linguistic information from word strings, word-to-word alignments from an MT system, and syntactic structure from parse-trees of source and target language sentences. |