resource description framework (rdf)造句

Resource description framework ( rdf ) plays an important role in semantic web
在语义万维网的结构中,资源描述框架( rdf )占有非常重要的地位。
The key building block is the resource description framework ( rdf ) , which provides a way to refer to different objects ( such as sets of data ) and the relationships between them ? the underlying semantics of documents and data
语义万维网的主要的基础部分是资源描述框架（ rdf ），它为查阅多种对象（如多组数据）提供了解决方案并能分析它们之间的联系这是文档与数据根本的语义。
It's difficult to find resource description framework (rdf) in a sentence. 用resource description framework (rdf)造句挺难的