Knowledge graph construction method and system for reconnaissance and site selection of transformer substation

A technology of knowledge map and construction method, which is applied in the field of knowledge map construction for substation site survey and site selection, and can solve problems such as research and no technology

Pending Publication Date: 2021-07-30
STATE GRID CORP OF CHINA +3
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  • Claims
  • Application Information

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Problems solved by technology

However, how to apply it to the field of substation reconnai...

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  • Knowledge graph construction method and system for reconnaissance and site selection of transformer substation
  • Knowledge graph construction method and system for reconnaissance and site selection of transformer substation
  • Knowledge graph construction method and system for reconnaissance and site selection of transformer substation

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0024]The invention deeply analyzes the source, content, characteristics and application requirements of knowledge in the substation survey and site selection field, and proposes to construct knowledge ontology and relationship classes according to subject division, and establish an ontology knowledge base. By deriving instances from ontology and establishing instance knowledge base, the purpose of structured management and storage of site-selected static knowledge system and dynamic information knowledge is realized. Among them, static knowledge includes technical regulation knowledge and project management knowledge, and dynamic knowledge includes project case knowledge and expert experience knowledge.

[0025] like figure 1 As shown, in order to achieve the above purpose, the present invention provides a method for constructing a knowledge graph o...

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Abstract

The invention discloses a knowledge graph construction method and system for substation survey and site selection, and the method comprises the steps: 1) carrying out the knowledge entity extraction of obtained knowledge related to the substation survey and site selection according to a predetermined term source, and obtaining a site selection knowledge ontology set, an attribute set and a relation set; 2) on the basis of the obtained site selection knowledge ontology set and relationship set, constructing an ontology layer knowledge graph for storing project decision knowledge and project management knowledge; 3) on the basis of the ontology layer knowledge graph, combining the attribute set to construct an instance layer knowledge graph for storing project case knowledge and expert experience knowledge; and 4) based on the ontology layer knowledge graph, the instance layer knowledge graph and the connection relationship between the ontology layer knowledge graph and the instance layer knowledge graph, constructing a project management and site selection decision knowledge system of the substation survey site selection for industry engineers to perform knowledge retrieval learning and auxiliary decision making. The method can be widely applied to the field of substation reconnaissance site selection.

Description

technical field [0001] The invention relates to the field of electric engineering survey and design and the field of knowledge engineering, in particular to a knowledge map construction method for substation site survey and site selection. Background technique [0002] The knowledge of substation reconnaissance and site selection has the characteristics of covering a wide range of fields, strong practical experience, high degree of fragmentation, and long learning cycle. At present, the integration and accumulation of knowledge in this business field basically relies on manual summary and exchange of learning. The effect is greatly affected by the quality of personnel, which restricts the rapid growth of high-level experts. [0003] In recent years, some domestic design institutes have established enterprise-level knowledge bases. However, due to lack of knowledge detail, unstructured and other reasons, the knowledge of engineering practice is still distributed and stored i...

Claims

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Application Information

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IPC IPC(8): G06N5/02G06F40/279
CPCG06N5/022G06N5/025G06F40/279Y04S10/50
Inventor 官澜蒋伟胡君慧王亚莉景天胡劲松李晋陈映何立新魏星朱占巍
Owner STATE GRID CORP OF CHINA
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