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。
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。
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。
Database of control guidance expert system is established based on database technology. Methods of knowledge acquisition, representation and organization are studied.
建立了基于数据库技术的控制指导专家系统知识库，研究了知识库知识获取方式、表示方式和组织方式。
The frame knowledge representation is adopted to describe the device parameters of power system for establishing a direct and clear hierarchical database.
该系统用框架知识表示法描述电力系统的设备参数，建构了一个直观的、层次分明的数据结构。
The resource manager will then process the request and choose the approiate resource according to the description, attributes and relevant knowledge representation stored in the database.
资源管理子系统会根据资源的描述，属性以及相关知识，为请求选择合适的资源。
Knowledge production and frame representation are used to build rule database, status database, topology database and property database, these databases can describe all information of a substation.
该系统采用产生式知识表示法和框架知识表示法，通过在数据库中分别建立规则库、状态库、网络拓扑知识库和设备属性库来完整表述变电站的全部信息。
The key techniques of system include the selection of knowledge acquisition, knowledge representation, knowledge database structure and reasoning mechanism of this system and so on.
系统的关键技术包括系统的知识表示、知识获取、知识库的构造及推理机策略的选用等。
According to the representation and organization of the knowledge, the knowledge base is built on database technique.
根据知识表示和知识的组织方式，建立了基于数据库技术的知识库。
Firstly, the knowledge representation of state evaluation and state diagnosis are researched, and the related database system and reasoning program process are designed.
本文首先研究了变电设备的状态评价和状态诊断的知识表示方法，设计了相应的数据库和推理流程。
Firstly, the knowledge representation of state evaluation and state diagnosis are researched, and the related database system and reasoning program process are designed.
本文首先研究了变电设备的状态评价和状态诊断的知识表示方法，设计了相应的数据库和推理流程。
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