2 WORD-BASED TRANSLATION MODELPHRASE-BASED MACHINE TRANSLATION MODEL...

2.2 Word-Based Translation Model

Phrase-based machine translation models (Koehn

Previous work (Berger et al., 2000; Jeon et al., 2005;

et al., 2003; D. Chiang, 2005; Och and Ney,

Xue et al., 2008) consistently reported that the word-