http://www.gissky.net- GIS空间站

地理知识包括客观地理存在和人们对地理的认知,对地理知识进行有效地组织和管理,实现语义级别的共享和重用,从而充分有效地利用地理知识是一项重要的研究课题。本体作为语义表达和信息共享的重要工具,可以详细描述地理知识的分类分级和语义信息。首先分析了地理知识的分类和本体的作用,然后分析了地理知识的来源,建立了地理本体,并构建了地理知识库。在此基础上,利用本体进行了地理知识库检索的扩展。 更多还原

【Abstract】 Geographic knowledge includes description,cognition and explanation of people to objective geographic existence.It is an important research to organize and manage geographic knowledge effectively and to realize knowledge sharing and reusing,in order to make use of geographic knowledge adequately and availably.As an important tool of semantic expression and knowledge sharing,ontology can describe classification and semantic information of geographic knowledge in detail.This article analyzed the c... 更多还原