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简单的关系模式的RDF视图机制

Simple relational-schema-RDF view mechanism
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摘要 为了提供语义网发展所需的领域数据,需要从关系数据库中挖掘隐含的领域信息,并将关系模式映射为RDF模式。通过在关系模式与RDF(S)模式之间建立简单的映射规则,并用传统的关系视图表示目标RDF(S)视图,提出一种"属性视图"的概念,使得在不生成RDF数据实例的前提下,在关系数据库上实施SPARQL查询,以开发语义网的应用。最后提出了一个将SPARQL基本图模式转换为SQL查询的简单规则,表明了该视图机制是可行的。 To provide the domain data required in the semantic web,it is an important method to mine domain information from the re-lational database and map the relational schema to the RDF schema.A set of simple rules between relational schema and the RDF(S) schema is presented and a notion of "property view" is proposed,which implements SPARQL query on the relational database without producing the RDF instances and develops the semantic web applications.Finally,we support a set of rules which translate the SPARQL query to the SQL query,which validates the view mechanism.
作者 陈磊
出处 《计算机工程与设计》 CSCD 北大核心 2010年第24期5294-5297,共4页 Computer Engineering and Design
基金 安徽省高等学校优秀青年人才基金项目(2009sqrz164) 安徽省高等学校自然科学研究基金项目(kj2009b146z)
关键词 关系模式 资源描述框架(resource description framework) 视图机制 SPARQL查询 查询重写 relational schema resource description framework(RDF) view mechanism SPARQL query query rewriting
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参考文献15

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