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Machine Translation Using Constraint-Based Synchronous Grammar
引用本文:黄辉 董名垂 胡东成. Machine Translation Using Constraint-Based Synchronous Grammar[J]. 清华大学学报, 2006, 11(3): 295-306. DOI: 10.1016/S1007-0214(06)70193-6
作者姓名:黄辉 董名垂 胡东成
作者单位:Department of Automation Tsinghua University Beijing 100084 China,Department of Automation Tsinghua University Beijing 100084 China,Department of Automation Tsinghua University Beijing 100084 China
基金项目:SupportedbytheCenterofScientificandTechnologicalResearchofUniversityofMacao(CATIVO:3678)
摘    要:Introduction In machine translation,analysis of the structural devia-tions of the languages pairs is key to transforming one language into another.This analysis requires a large number of structural transformations,both grammati-cally and conceptually.The…

关 键 词:葡萄牙语 汉语 机器翻译 基于约束同步文法
收稿时间:2004-11-10
修稿时间:2004-11-10

Machine Translation Using Constraint-Based Synchronous Grammar
WONG Fai,DONG Mingchui,HU Dongcheng. Machine Translation Using Constraint-Based Synchronous Grammar[J]. Tsinghua Science and Technology, 2006, 11(3): 295-306. DOI: 10.1016/S1007-0214(06)70193-6
Authors:WONG Fai  DONG Mingchui  HU Dongcheng
Affiliation:Department of Automation, Tsinghua University, Beijing 100084, China
Abstract:A synchronous grammar based on the formalism of context-free grammar was developed by gen-eralizing the first component of production that models the source text. Unlike other synchronous grammars, the grammar allows multiple target productions to be associated to a single production rule which can be used to guide a parser to infer different possible translational equivalences for a recognized input string ac-cording to the feature constraints of symbols in the pattern. An extended generalized LR algorithm was adapted to the parsing of the proposed formalism to analyze the syntactic structure of a language. The grammar was used as the basis for building a machine translation system for Portuguese to Chinese trans-lation. The empirical results show that the grammar is more expressive when modeling the translational equivalences of parallel texts for machine translation and grammar rewriting applications.
Keywords:constraint-based synchronous grammar  machine translation  Portuguese to Chinese translation
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