Null-Word Alignment Probabilities

moses-smt / giza-pp

GIZA++ is a statistical machine translation toolkit that is used to train IBM Models 1-5 and an HMM word alignment model. This package also contains the source for the mkcls tool which generates the word classes necessary for training some of the alignment models.

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Null-Word Alignment Probabilities #2

Open peipei1109 opened 7 years ago

peipei1109 commented 7 years ago

hi, i want to know how to set the null-word probability in IBM Model 1, the probability of inserting a null after a source word. I have just seen the setting of IBM Model 3, Hoping your response , thank you

Brucewuzhang commented 4 years ago

There is no step of inserting null words in IBM model 1.