Conceptual knowledge base includes two categories of knowledge elements, i. e. subject-related concepts and semantic relations among concepts.

概念知识库包含两类知识元素：与专业领域相关的概念，概念之间的语义关系。

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E-R model is designed and translated into logic model. Knowledge base is realized basing on database.

并通过概念模型设计、逻辑设计、数据表设计，完成了基于数据库的知识库实现。

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This paper makes an E-R model for the comprehensive vulnerability analysis model, and establishes IMS vulnerability knowledge base.

并对脆弱性综合分析模型进行了E-R建模，建立了脆弱性知识库。

youdao

This paper makes an E-R model for the comprehensive vulnerability analysis model, and establishes IMS vulnerability knowledge base.

并对脆弱性综合分析模型进行了E-R建模，建立了脆弱性知识库。

youdao