Patent
1995-06-02
1998-06-16
Hayes, Gail O.
395751, 395752, 395757, 395 241, 395 248, 395 265, 395 286, G06F 1728, G06F 1720
Patent
active
057686033
ABSTRACT:
The present invention is a system for translating text from a first source language into a second target language. The system assigns probabilities or scores to various target-language translations and then displays or makes otherwise available the highest scoring translations. The source text is first transduced into one or more intermediate structural representations. From these intermediate source structures a set of intermediate target-structure hypotheses is generated. These hypotheses are scored by two different models: a language model which assigns a probability or score to an intermediate target structure, and a translation model which assigns a probability or score to the event that an intermediate target structure is translated into an intermediate source structure. Scores from the translation model and language model are combined into a combined score for each intermediate target-structure hypothesis. Finally, a set of target-text hypotheses is produced by transducing the highest scoring target-structure hypotheses into portions of text in the target language. The system can either run in batch mode, in which case it translates source-language text into a target language without human assistance, or it can function as an aid to a human translator. When functioning as an aid to a human translator, the human may simply select from the various translation hypotheses provided by the system, or he may optionally provide hints or constraints on how to perform one or more of the stages of source transduction, hypothesis generation and target transduction.
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Brown Peter Fitzhugh
Cocke John
Della Pietra Stephen Andrew
Della Pietra Vincent Joseph
Jelinek Frederick
Hayes Gail O.
International Business Machines - Corporation
Tassinari Robert P.
Thomas Joseph
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