The presenting model for semi-structured data base Resource Description Framework(RDF) and its information retrieval mechanism were proposed in this paper.
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 combination of resource base, communication tool, research tool, management tool based on information technology with other teaching elements is the support model for integration.
基于信息技术的资源库、交流工具、研究工具、管理工具与其他教学要素的结合构成整合的支持模型。
The combination of resource base, communication tool, research tool, management tool based on information technology with other teaching elements is the support model for integration.
基于信息技术的资源库、交流工具、研究工具、管理工具与其他教学要素的结合构成整合的支持模型。
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