Séminaires RALI-OLST

A Syntax-based Translation Model

Kenji Yamada

Xerox Research Centre Europe

Wednesday 17 March 2004 at 11:30 AM

Salle 3195, Pavillon André-Aisenstadt


I present a syntax-based statistical translation model. Unlike word-based IBM translation models or other phrase-based models, the model transforms a source-language parse tree into a target-language string by applying stochastic operations at each node. By using a parse tree, the model can more easily capture linguistic differences such as word order and case marking. Model parameters are estimated in polynomial time using an EM algorithm. A decoding algorithm for the model will be also presented.



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