语义网数据的大量增加使得RDF数据查询成为一个重要研究主题。关键词查询方式不需要掌握数据模式或查询语言，更适合普通用户使用。文中提出一种RDF数据关键词查询方法KREAG(Keyword query over RDF data based on Entity-triple Association Graph)-A substantial increase in the Semantic Web RDF data query such data become an important research topic. Keyword query does not need to know where the data model or query language, more suitable for ordinary users. This paper proposes a keyword RDF data query method KREAG (Keyword query over RDF data based on Entity-triple Association Graph)