【作者】 聂志强； 李庆忠；

【机构】 山东大学计算机科学与技术学院；

【摘要】 <正>1引言随着我国电子政务的不断发展,电子政务中的信息集成越来越受到人们的重视。信息集成是对异构的信息源进行包装,可以为数据检索提供统一的接口,在用户看来就象访问一个数据源。信息集成中引入本体的概念,利用本体表达的丰富语义和推更多还原

【Abstract】 Ontology’s automatic extraction is a core problem of Information Integration in Electronic Government Affair.In the process of ontology’s automatic extraction,FCA method is used in analyzing relationships between concepts automatically.But this method’s ability is insufficient in the analysis of the synonym relationship.This paper optimizes the FCA method and brings forward a new algorithm—SFCA.SFCA sets the power of the attribute based on the importance of it.It computes the similarity degree using the power and judges whether the concepts are synonymous.更多还原