提出了一种基于资源描述框架（RDF）的半结构化数据表示模型，并设计了相应的信息检索机制。
The presenting model for semi-structured data base Resource Description Framework(RDF) and its information retrieval mechanism were proposed in this paper.
本文清晰地描述了基于资源数据集成框架的层次关系及各层次的功能、对外接口和内部构造。
This article clearly describes the relationship between levels of resource-based data integration framework and the functions, external interfaces and internal structure of various levels.
本文清晰地描述了基于资源数据集成框架的层次关系及各层次的功能、对外接口和内部构造。
This article clearly describes the relationship between levels of resource-based data integration framework and the functions, external interfaces and internal structure of various levels.
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