基于随机行走N步的汉语复述短语获取方法

来源 :中国科学:信息科学 | 被引量 : 6次 | 上传用户：sunny_cui

【摘要】

：

在利用大规模双语语料获取复述知识方面,传统的基于"枢轴"方法只能考虑两步以内的复述现象.本文针对已有方法的局限性,对不同语言之间互为翻译的短语对构建翻译关系图,提出基于随机行走N步的复述获取算法,改进已有方法以获取更多潜在的复述知识.本文描述了由汉英短语翻译表构建翻译关系图的方法、基于N步的随机行走算法和基于期望步数的复述短语可信度计算方法.同时,本文提出面向多语言对的翻译关系图扩展方法.在NTC

【作者】

：

马军张玉洁徐金安陈钰枫

【机构】

：

北京交通大学,北京100044

【出处】

：

中国科学:信息科学

【发表日期】

：

2017年08期

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