CLEQS——基于知识图谱构建的跨语言实体查询系统

被引：7

作者：

苏永浩

张驰

程文亮

钱卫宁

机构：

[1] 华东师范大学数据科学与工程研究院

来源：

计算机应用 | 2016年 / 36(S1)卷 / S1期

关键词：

跨语言实体链接; 知识图谱; 实体消歧义; 语义查询; 维基百科;

D O I：

暂无

中图分类号：

TP391.1 [文字信息处理];

学科分类号：

081203 ; 0835 ;

摘要：

针对中英文知识图谱在实体规模和关系质量上存在很大差异的问题,提出了一个基于英文知识图谱YAGO构建的跨语言实体查询系统CLEQS,即在英文知识图谱中查询对应中文实体。CLEQS包含两个模块:实体消歧义模块和跨语言实体链接模块。首先,实体消歧义模块依据中文查询实体和上下文信息,准确地将中文实体映射到中文维基百科中的无歧义词条;然后,跨语言实体链接模块构造跨语言实体链接模型(RSVM),将中文维基百科与英文知识图谱中描述相同概念的实体进行链接;最后,形成一个实体关系网。首次提出跨语言实体查询问题,并获得了82.3%的查询准确度。CLEQS系统能够提供准确、高效的跨语言中文实体查询,还能够发现中英文知识图谱中未知的跨语言实体链接。

引用

页码：204 / 206+223 +223

页数：4

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