mt-book-xelatex.ptc

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\contentsline {part}{\@mypartnumtocformat {I}{统计机器翻译}}{9}{part.1}%
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\contentsline {chapter}{\numberline {1}基于词的机器翻译模型}{11}{chapter.1}%
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\contentsline {section}{\numberline {1.1}什么是基于词的翻译模型}{11}{section.1.1}%
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\contentsline {section}{\numberline {1.2}构建一个简单的机器翻译系统}{13}{section.1.2}%
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\contentsline {subsection}{\numberline {1.2.1}如何进行翻译？}{13}{subsection.1.2.1}%
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\contentsline {subsubsection}{机器翻译流程}{14}{section*.7}%
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\contentsline {subsubsection}{人工翻译 vs. 机器翻译}{15}{section*.9}%
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\contentsline {subsection}{\numberline {1.2.2}基本框架}{15}{subsection.1.2.2}%
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\contentsline {subsection}{\numberline {1.2.3}单词翻译概率}{16}{subsection.1.2.3}%
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\contentsline {subsubsection}{什么是单词翻译概率？}{16}{section*.11}%
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\contentsline {subsubsection}{如何从一个双语平行数据中学习？}{17}{section*.13}%
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\contentsline {subsubsection}{如何从大量的双语平行数据中学习？}{18}{section*.14}%
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\contentsline {subsection}{\numberline {1.2.4}句子级翻译模型}{19}{subsection.1.2.4}%
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\contentsline {subsubsection}{基础模型}{19}{section*.16}%
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\contentsline {subsubsection}{生成流畅的译文}{21}{section*.18}%
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\contentsline {subsection}{\numberline {1.2.5}解码}{23}{subsection.1.2.5}%
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\contentsline {section}{\numberline {1.3}基于词的翻译建模}{26}{section.1.3}%
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\contentsline {subsection}{\numberline {1.3.1}噪声信道模型}{26}{subsection.1.3.1}%
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\contentsline {subsection}{\numberline {1.3.2}统计机器翻译的三个基本问题}{28}{subsection.1.3.2}%
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\contentsline {subsubsection}{词对齐}{29}{section*.27}%
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\contentsline {subsubsection}{基于词对齐的翻译模型}{30}{section*.30}%
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\contentsline {subsubsection}{基于词对齐的翻译实例}{31}{section*.32}%
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\contentsline {section}{\numberline {1.4}IBM模型1-2}{32}{section.1.4}%
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\contentsline {subsection}{\numberline {1.4.1}IBM模型1}{32}{subsection.1.4.1}%
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\contentsline {subsection}{\numberline {1.4.2}IBM模型2}{34}{subsection.1.4.2}%
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\contentsline {subsection}{\numberline {1.4.3}解码及计算优化}{35}{subsection.1.4.3}%
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\contentsline {subsection}{\numberline {1.4.4}训练}{36}{subsection.1.4.4}%
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\contentsline {subsubsection}{目标函数}{36}{section*.37}%
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\contentsline {subsubsection}{优化}{37}{section*.39}%
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\contentsline {section}{\numberline {1.5}IBM模型3-5及隐马尔可夫模型}{42}{section.1.5}%
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\contentsline {subsection}{\numberline {1.5.1}基于产出率的翻译模型}{44}{subsection.1.5.1}%
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\contentsline {subsection}{\numberline {1.5.2}IBM 模型3}{46}{subsection.1.5.2}%
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\contentsline {subsection}{\numberline {1.5.3}IBM 模型4}{48}{subsection.1.5.3}%
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\contentsline {subsection}{\numberline {1.5.4} IBM 模型5}{49}{subsection.1.5.4}%
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\contentsline {subsection}{\numberline {1.5.5}隐马尔可夫模型}{51}{subsection.1.5.5}%
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\contentsline {subsubsection}{隐马尔可夫模型}{51}{section*.51}%
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\contentsline {subsubsection}{词对齐模型}{52}{section*.53}%
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\contentsline {subsection}{\numberline {1.5.6}解码和训练}{53}{subsection.1.5.6}%
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\contentsline {section}{\numberline {1.6}问题分析}{54}{section.1.6}%
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\contentsline {subsection}{\numberline {1.6.1}词对齐及对称化}{54}{subsection.1.6.1}%
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\contentsline {subsection}{\numberline {1.6.2}Deficiency}{55}{subsection.1.6.2}%
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\contentsline {subsection}{\numberline {1.6.3}句子长度}{56}{subsection.1.6.3}%
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\contentsline {subsection}{\numberline {1.6.4}其他问题}{56}{subsection.1.6.4}%
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\contentsline {section}{\numberline {1.7}小结及深入阅读}{57}{section.1.7}%
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