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Electric power knowledge base construction method and system

A construction method and technology of knowledge base, which is applied in the direction of electronic digital data processing, text database query, character and pattern recognition, etc., can solve the problem that unstructured data cannot be effectively used, occupies a large proportion, a large number of manual intervention and correction, etc. question

Active Publication Date: 2020-10-27
INFORMATION & COMM BRANCH OF STATE GRID JIANGSU ELECTRIC POWER
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Problems solved by technology

At present, structured data still occupies a large proportion in the construction of knowledge base, and unstructured data cannot be effectively used. At the same time, the knowledge base is generally modeled by experts in a top-down manner, and knowledge extraction from it requires a lot of knowledge. , long-term manual intervention and correction

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  • Electric power knowledge base construction method and system
  • Electric power knowledge base construction method and system
  • Electric power knowledge base construction method and system

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Embodiment Construction

[0031] 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.

[0032] like figure 1 As shown, a power knowledge base construction method includes the following steps:

[0033] Step 1, preprocessing the corpus to obtain the corpus text.

[0034] The specific process is as follows:

[0035] S1) Perform encoding conversion on the corpus; here, the main purpose is to uniformly convert the expected data into utf-8 encoding.

[0036] S2) Converting the coded corpus from traditional to simplified.

[0037] S3) Responding to the fact that the converted corpus is structured data, the converted corpus is corpus text, and the corpus text is structured corpus text; in response to the converted corpus is unstructured data, the traditional The simplified converted c...

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Abstract

The invention discloses an electric power knowledge base construction method, which comprises the steps of preprocessing corpora to obtain a corpus text; in response to the fact that the corpus text is an unstructured text, inputting the corpus text into a pre-trained named entity recognition model, and recognizing named entities in the corpus text; inputting the corpus text after named entity recognition into a pre-trained named entity relationship extraction model to obtain named entity relationship data; and storing the named entity relationship data process, and constructing an electric power knowledge base. The invention further discloses a corresponding system. According to the invention, unstructured data is added; meanwhile, the named entity relation data is extracted through the named entity recognition model and the named entity relation extraction model, top-down modeling is not needed for knowledge base construction, the construction threshold is lowered, the labor cost isgreatly reduced, and a large amount of long-term manual intervention and correction are not needed.

Description

technical field [0001] The invention relates to a method and system for constructing an electric power knowledge base, belonging to the field of knowledge base construction. Background technique [0002] Domain knowledge base is also called industry knowledge base or vertical knowledge base. Electric power knowledge base is constructed based on electric power data, but the construction technology of electric power knowledge base is not yet mature. At present, structured data still occupies a relatively large proportion in the construction of knowledge bases, and unstructured data cannot be effectively used. At the same time, the knowledge base is generally modeled by experts in a top-down manner, and a large amount of knowledge is required to extract knowledge from it. , Long-term manual intervention and correction. Contents of the invention [0003] The invention provides a method and system for constructing a power knowledge base, which solves the problems disclosed in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/33G06F40/151G06F40/289G06F40/295G06K9/62
CPCG06F40/295G06F40/289G06F40/151G06F16/3344G06F18/214
Inventor 田然苏杨庞渊源陈轩顾彬王磊吴子辰李霁轩陈鑫朱晓鸿王鑫于广荣
Owner INFORMATION & COMM BRANCH OF STATE GRID JIANGSU ELECTRIC POWER
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