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Knowledge graph construction method and device

A knowledge map and entity technology, applied in the field of data processing, can solve the problems of complex data types and difficult construction, and achieve the effect of solving the technical problems of difficult construction of knowledge map

Inactive Publication Date: 2021-09-24
STATE GRID BEIJING ELECTRIC POWER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a method and device for constructing a knowledge map to at least solve the technical problem that it is difficult to construct a knowledge map due to the complicated data types associated with the grid sites and each site

Method used

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  • Knowledge graph construction method and device

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Embodiment 1

[0028]According to an embodiment of the present invention, a method embodiment of a knowledge graph construction method is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and , although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0029] figure 1 is a knowledge map construction method according to an embodiment of the present invention, such as figure 1 As shown, the method includes the following steps:

[0030] Step S102, determine the ontology of the target knowledge graph, the ontology is composed of entities and the relationships between entities, where the entities in the ontology are at least used to represent the types of each site in the power grid that supplies power to the target object, and the operating status o...

Embodiment 2

[0101] In the embodiment of this application, a kind of image 3 The shown knowledge map construction device, such as image 3 As shown, the knowledge map construction device includes: an acquisition module 30, the acquisition module is used to determine the ontology of the target knowledge map, the ontology is composed of entities and the relationships between entities, wherein the entities in the ontology are at least used to represent the power grid that supplies power to the target object The types of each site in the graph, as well as the types of operating status and maintenance information of different types of sites, the relationship between entities in the initial map is at least used to represent between different types of sites, between different types of sites and operating status types , the relationship between different types of stations and maintenance information types; the extraction module 32, the extraction module is used to extract the target entity and th...

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Abstract

The invention discloses a knowledge graph construction method and device. The method comprises the steps that an ontology of a target knowledge graph is determined, with the ontology being composed of entities and the relation between the entities; according to the ontology, target entities and target relations among the entities are extracted from the target data, and the target entities are at least used for representing names of all stations in the power grid and operation states and maintenance information of all the stations; based on the target entities and the target relations, a target knowledge graph is obtained, wherein the entities in the target knowledge graph are at least used for representing the name of each site in the power grid and the operation state and maintenance information of each site, and the relations between the entities in the target knowledge graph are at least used for representing the association relations between the sites. The technical problem that the knowledge graph is not easy to construct due to the fact that the power grid sites and the data types associated with all the sites are complicated is solved.

Description

technical field [0001] The present invention relates to the field of data processing, in particular to a method and device for constructing a knowledge map. Background technique [0002] In order to better respond to the needs of power supply guarantee for major events, large-scale and important power guarantee work will usually carry out the construction of a coordinated power supply guarantee platform, making full use of modern information means to establish a set of intelligent command systems covering all majors and units to achieve unified command throughout the process , online monitoring, data sharing, rapid response and collaborative processing. [0003] The power supply guarantee platform for major events needs to integrate and integrate all kinds of data of all elements of power guarantee, and analyze and refine the information of these elements, so as to provide smart decision-making technologies such as smart customer service for power guarantee, intelligent info...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/33G06F16/36G06F40/295
CPCG06F16/3344G06F16/367G06F40/295
Inventor 代贵生杨志东于宏海尹康张皓李洪涛段大鹏陈广久盛萌陈佳吉跃瑾解凯熊智林
Owner STATE GRID BEIJING ELECTRIC POWER
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