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A text structuring method for grid fault cases

A text structure, power grid fault technology, applied in the direction of structured data retrieval, unstructured text data retrieval, electrical digital data processing, etc., can solve the problem of no difference analysis

Active Publication Date: 2020-08-18
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, different methods need to be used to analyze different types of state quantities, and the current text structuring method obviously does not carry out differential analysis

Method used

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  • A text structuring method for grid fault cases
  • A text structuring method for grid fault cases
  • A text structuring method for grid fault cases

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0044] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0045] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention discloses a text structuring method for power grid failure cases; unstructured text is recognized by named entities, and an entity dictionary oriented to the power grid field is constructed to assist entity recognition and text word segmentation; attribute values ​​are extracted and attributes are described The state quantity, the state quantity is divided into digital state quantity and non-digital state quantity according to the type, and the rule-based method is used to extract and match the modified attributes of the digital state quantity; the non-digital state quantity is refined and divided into based on The state quantities in the form of phrases and the state quantities based on sentences are respectively extracted to modify attributes; according to the identified attributes and corresponding state quantities, several binary groups formed by attributes and corresponding state quantities are finally generated to complete text structuring .

Description

technical field [0001] The invention relates to a text structuring method for grid failure cases. Background technique [0002] In the overhaul and maintenance of the power system, power grid enterprises have accumulated a large number of fault case reports. These texts include overhaul test records, inspection and defect elimination records, fault problem descriptions, fault cause descriptions, etc., mainly in unstructured forms. These descriptive information are organized through the specification and logic of natural language, and there is no predefined data model or text template. [0003] The descriptions of various equipment states are scattered in different places in the text. The purpose of text information structuring is to obtain the state quantities describing equipment failures through the analysis and processing of unstructured texts, and fill them into the predefined data model. middle. Existing text structuring methods usually only extract structured informa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/25G06F16/36G06F40/295G06Q10/00G06Q50/06
CPCG06F16/258G06F16/367G06F16/374G06F40/295G06Q10/20G06Q50/06
Inventor 杨祎马艳白德盟胡博闫丹凤郭诗瑶辜超郭志红陈玉峰李贞朱振华林颖李程启秦佳峰郑文杰
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY
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