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Power grid knowledge graph construction method and system

A technology of knowledge graph and construction method, applied in the direction of neural learning method, information technology support system, neural architecture, etc., can solve the problems of lack of practicality, and achieve the effect of high degree of automation, low dependence, intelligence and good practicability

Active Publication Date: 2020-11-13
NARI INFORMATION & COMM TECH
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Problems solved by technology

[0004] Aiming at the lack of practical and efficient knowledge map construction tools in the power grid technology field in the prior art, the present invention proposes a power grid knowledge map construction method and its system, which fully considers the situation of various data in the power grid, and provides text services for the power grid. Data, theoretical knowledge data and relational data are collected and extracted separately to build a practical power grid domain knowledge map

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  • Power grid knowledge graph construction method and system
  • Power grid knowledge graph construction method and system
  • Power grid knowledge graph construction method and system

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Embodiment Construction

[0055] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0056]The present invention proposes a method for constructing a grid knowledge map, such as figure 1 As shown, it specifically includes the following steps:

[0057] S1. Collect grid-related content and organize grid corpus. Corpus is the basis of natural language processing, and the power grid field is very different from the general open field. There are many proper nouns, and there are a large number of idioms and abbreviations with different meanings. In order to ensure the accuracy and reliability of subsequent processing, the present invention Organize the grid corpus by collecting relevant content in the grid:

[0058] S11. Build a dictionary of professional nouns. The dictionary spec...

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Abstract

The invention discloses a power grid knowledge graph construction method and a power grid knowledge graph construction system, and aims to solve the technical problem that a practical and efficient knowledge graph construction tool is lacked in the technical field of power grids in the prior art. The method comprises the steps of collecting power grid related contents and arranging power grid corpora; constructing and training a natural language processing model according to the power grid corpus; and performing power grid knowledge extraction based on the natural language processing model, and storing an extraction result into a graph structure database. According to the method, the power grid knowledge can be effectively extracted, the knowledge graph of the power grid field is constructed, and a support guarantee is provided for subsequent knowledge graph application.

Description

technical field [0001] The invention relates to a method for constructing a power grid knowledge graph and a system thereof, and belongs to the technical field of power grid knowledge graphs. Background technique [0002] The power grid includes three major links of power generation, transmission and distribution. The entire physical structure is a huge and complex network. Due to the characteristics of the physical structure of the power grid, it is very suitable to use the graph data structure to create the grid data model, and the graph data structure does not exist. Associative foreign keys are associated between relationship nodes, and the performance is greatly improved compared with traditional data structures. [0003] The knowledge map is a technical system that includes a variety of technologies such as knowledge representation, knowledge extraction, knowledge reasoning, knowledge retrieval, etc. The knowledge map can be used in scenarios such as question answering...

Claims

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Application Information

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IPC IPC(8): G06F16/2455G06F16/28G06F16/33G06F16/36G06N3/04G06N3/08G06Q50/06
CPCG06F16/24552G06F16/288G06F16/3344G06F16/367G06F16/374G06Q50/06G06N3/049G06N3/08G06N3/045G06N3/044Y04S10/50
Inventor 张守田吴淑玮沈自虎黄赛王辉
Owner NARI INFORMATION & COMM TECH
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