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Decision Trees for Lexical Smoothing in Statistical Machine Translation

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Figure

Figure 1:Decision tree for source word sjn usingdiacritics as an attribute.
Table 1: Normalized likelihood of the test set align-ments without decision trees, then with decision treesusing diacritics and part-of-speech respectively.
Table 2: Results of experiments using decision treesto cluster source words.
Table 3: Results of experiments using the word attribute-dependent lexical smoothing feature.

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