The frame knowledge representation approach is applied to the system in which the knowledge base and topology structural database of power network are saved as external databases.

该系统采用框架知识表示法，将知识库与电网拓扑结构数据库均做成了外部数据库的形式进行存储。

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Here we describe knowledge representation model oriented entity, database conversion, instantiation of the knowledge base, rule editor and data check-up algorithm.

在这里我们描述了面向实体的知识表示模型、数据库到知识库的转换、知识库的实例化、规则编辑器以及数据校验算法。

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A new method of tree scheme knowledge representation is proposed. It enables the recursive query process to consult the states of the extensional database, making the algorithm more efficient.

提出了一种树形知识表示方法，使递归查询可参考事实库状态，从而获得更高效的算法。

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