基于依存的蕴含关系研究
ependency-based Research of Entailment in English Sentences
蕴含关系(Entailment)是语言中的同义异形现象,如果文本T可以推断出假设H(T→H),则它们之间存在蕴含关系。本文从英语句子中轻动词结构(Light verb construction)的依存特征出发,考查两个英语句子之间的蕴含关系。以蕴含规则 "take a break→break" 为例,从美国当代英语语料库(COCA)分别选取 "take" 和 "break" 均为动词情况下的100个依存词(窗口为左侧3个词)进行统计分析,计算这两个动词之间的相似度。共计算10条依存规则的相似度,该相似度值范围为[1.00,1.50]。这种相似度值的范围可以识别蕴含关系,并成功地用于网络聊天机器人"瞎聊",该机器人可以对用于问题进行相似度计算,找出蕴含问题答案的句子返回给用户。
Entailment is a relation between different expressions of the same meaning. If a hypothesis can be inferred from a text T, then T entails H(T→H). Entailment between two English sentences with light verb construction is studied from the viewpoint of their internal dependency structure. Entailment rule "take a break→break" is taken as an example, and one hundred dependent nouns for "take" and "break" are taken from the Corpus of Contemporary American English. Features are selected from the dependent nouns to compute similarity between "take" and "break". Ten examples are computed in total and their values fall within [1.00,1.50]. This result is used to recognize entailment between two English sentences in the online chat robot "Xialiao" which can return to users an answer which is entailed in the question.
张子宪
语言学常用外国语印欧语系
计算机应用依存关系蕴含关系轻动词结构相似度
computer applicationdependencyentailmentlight verb constructionsentence similarity
张子宪.基于依存的蕴含关系研究[EB/OL].(2016-12-27)[2025-08-23].http://www.paper.edu.cn/releasepaper/content/201612-515.点此复制
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