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    • 1. 发明申请
    • METHOD AND APPARATUS FOR PERFORMING BILINGUAL WORD ALIGNMENT
    • 用于执行双字对齐的方法和装置
    • WO2014107265A1
    • 2014-07-10
    • PCT/US2013/073742
    • 2013-12-06
    • THE BOEING COMPANYTSINGHUA UNIVERSITYLI, PengLIU, YangXUE, PingSUN, Maosong
    • LI, PengLIU, YangXUE, PingSUN, Maosong
    • G06F17/28
    • G06F17/28G06F17/2827G06F17/30684G06F17/30687
    • The invention discloses a method and apparatus for performing bilingual word alignment, relating to the field of text information processing. The method comprises the following steps: preprocessing the source and the translated (target) text of the bilingual documents to be aligned; computing the probability of the link (i.e. the corresponding relation) between each and every source and target word; setting the initial word alignment as an empty alignment; iteratively applying a greedy algorithm to search for word alignments that are permitted by the inversion transduction grammar constraint; outputting the best word alignment among the alignments that satisfy the inversion transduction grammar constraint as the final alignment result. The apparatus comprises: a preprocessing module, a probability computation module, an initial word alignment generation module, a word alignment search module, an alignment result output module. Using the greedy algorithm in an iterative fashion with the inversion transduction grammar constraint, the present invention demonstrates the improvement in both alignment speed and alignment robustness.
    • 本发明公开了一种与文本信息处理领域相关的用于执行双语字对齐的方法和装置。 该方法包括以下步骤:对要对齐的双语文档的来源和翻译(目标)文本进行预处理; 计算每个源和目标字之间的链接概率(即相应关系); 将初始字对齐设置为空对齐; 迭代应用贪心算法来搜索反转换语法约束允许的字对齐; 在满足反转转换语法约束的对齐中输出最佳字对齐作为最终对齐结果。 该装置包括:预处理模块,概率计算模块,初始字对齐生成模块,字对齐搜索模块,对准结果输出模块。 本发明以反演转换语法约束的迭代方式使用贪心算法,证明了对准速度和对准鲁棒性的改善。