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Information extraction method, information extraction device and electronic equipment

A technology of information extraction and text information, applied in neural learning methods, digital data information retrieval, electronic digital data processing, etc., can solve the problems of low accuracy and comprehensiveness, and achieve the effect of extracting a detailed coverage

Active Publication Date: 2020-07-10
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present application provides an information extraction method, information extraction device and electronic equipment to solve the existing problems of low accuracy and comprehensiveness in information extraction

Method used

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  • Information extraction method, information extraction device and electronic equipment
  • Information extraction method, information extraction device and electronic equipment
  • Information extraction method, information extraction device and electronic equipment

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Embodiment Construction

[0051] The following describes exemplary embodiments of the present application with reference to the accompanying drawings, which include various details of the embodiments of the present application to facilitate understanding, and should be regarded as merely exemplary. Therefore, those of ordinary skill in the art should realize that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. Likewise, for clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0052] See figure 1 , figure 1 It is a flowchart of the information extraction method provided by the embodiment of this application, such as figure 1 As shown, this embodiment provides an information extraction method applied to electronic equipment, including the following steps:

[0053] Step 101: Obtain text information.

[0054] The text information may be info...

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Abstract

The invention discloses an information extraction method, an information extraction device and electronic equipment, and relates to the field of data mining. According to the specific implementation scheme, the method comprises the steps: acquiring text information; obtaining a first main relation tuple in the text information; acquiring n main relation tuples, wherein the N main relation tuples comprise at least one second main relation tuple obtained according to the parameters of the first main relation tuple, and N is a positive integer; and determining an information extraction result ofthe text information according to the first main relation tuple and the N main relation tuples. Due to the fact that when information extraction is conducted on the text information, the first main relation tuple of the text information is extracted firstly, and then main relation tuple extraction is conducted on the parameters of the first main relation tuple; by means of the step-by-step extraction method from the large range to the small range, the extraction coverage range can be finer, and therefore a more complete and more accurate extraction result is obtained.

Description

Technical field [0001] This application relates to data mining technology in the field of computer technology, and in particular to an information extraction method, information extraction device and electronic equipment. Background technique [0002] Information extraction plays a very important role in artificial intelligence applications, and more and more upper-level applications rely on the results of information extraction. For example, the construction of knowledge base and the construction of affair map rely on the technology of entity relationship extraction, event extraction, and causality extraction. Inquiries in the fields of law, medical care, and the construction of decision support systems also rely on the results of information extraction. [0003] The results of information extraction often exist in the form of relational tuples. However, the omission of tuples, the omissions and errors of parameters in tuples, all affect the results of information extraction to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/33G06F16/383G06N3/04G06N3/08
CPCG06F16/3344G06F16/383G06N3/04G06N3/08G06F16/36G06F16/313G06N3/0455
Inventor 王鑫孙明明李平
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD
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