一种基于语料的本体评价方法  

An Ontology Evaluation Method Based on Corpus

作　　者：李江华[1,2] 时鹏[2] 郑剑[1] 

机构地区：[1]江西理工大学信息工程学院,赣州341000 [2]北京科技大学国家材料服役安全科学中心,北京100083

出　　处：《情报杂志》2012年第7期187-190,共4页Journal of Intelligence

基　　金：国家"十一五"科技基础平台项目"材料科学数据共享网"(编号:2005DKA32800)

摘　　要：本体表示领域知识,语义Web的发展使得本体被广泛的应用,如何评价本体对领域知识的表达能力是一个亟待解决的问题。笔者分析了影响评价本体表达领域知识能力的因素,提出了一种基于语料的本体评价方法,从本体对语料的术语覆盖率、关系覆盖率、关系扩充率和实例扩充率四个方面进行综合评价,实验表明,该方法对于给定的领域语料能够有效地评价本体的表达能力。Ontology represents domain knowledge.With the development of the semantic web,ontology is widely used,how to evaluate its expression capability for the domain know ledge is a problem need to be solved urgently.This paper analyzed the factors influencing ontology in representing the domain know ledge,proposed an ontology evaluation method based on corpus,w hich evaluates ontologies comprehensively from four aspects,namely term coverage rate,relationship coverage rate,relationship expansion rate and instance expansion rate.The experimental results show that the proposed method can evaluate effectively the capability of ontology in representing the given domain corpus.

关 键 词：语义网 本体 本体评价 语料 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]