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Named entity identification method, device and system

A named entity recognition technology to be recognized, applied in biological neural network models, instruments, electrical digital data processing, etc., can solve the problems of missed recognition, wrong recognition, and inability to recognize discontinuous entities, etc., to reduce missed recognition and wrong recognition , Enrich the effect of recognition results

Pending Publication Date: 2020-12-25
TAIKANG LIFE INSURANCE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The embodiment of the present application provides a method, device and system for named entity recognition, which are used to solve the technical problems in the prior art that cannot recognize discontinuous entities, resulting in missed recognition and wrong recognition

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  • Named entity identification method, device and system
  • Named entity identification method, device and system
  • Named entity identification method, device and system

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Embodiment Construction

[0063] In order to make the purpose, technical solutions and advantages of the application clearer, the technical solutions in the embodiments of the application will be clearly and completely described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described can be performed in an order different from that shown or described herein.

[0064] The terms "first" and "second" in the specificatio...

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Abstract

The invention provides a named entity identification method, device and system and aims to solve the technical problems of missed identification and wrong identification caused by incapability of identifying discontinuous entities in the prior art. The method comprises the following steps that: named entity identification is performed on text data to be identified based on a named entity identification model, so as to obtain a score matrix corresponding to the text data to be identified, wherein the named entity identification model is a function relationship model of the text data and the score matrix, the score matrix is used for representing a score of each word in the text data under each label category, wherein the label category is a stack entry action identifier when the text data is stored in a stack format; and based on the score matrix corresponding to the text data to be identified, obtaining a stack entry action identifier corresponding to each word when the text data to beidentified is stored in a stack format, and based on the stack entry action identifier corresponding to each word, a named entity identification result of the text data to be identified is determined.

Description

technical field [0001] The present invention relates to the field of natural language processing, in particular to a named entity recognition method, device and system. Background technique [0002] Named entity recognition (NER), also known as entity extraction or entity extraction, is a subtask of information extraction that aims to locate and classify named entities in text into predefined categories, such as names, organizations Names, place names, names of specific items, etc. However, at this stage, most of the related research on named entity recognition tasks is limited to the assumption that the entities in the text to be recognized are continuous entities. In fact, some entities in the text will have disconnections caused by irrelevant words, such as " Critical illness insurance refuses insurance for those whose lung results are nodules", the text includes the insurance product entity of "critical illness insurance" and the disease entity of "lung nodules", but th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F40/295G06F16/35G06N3/04
CPCG06F40/295G06F16/355G06N3/049G06N3/045
Inventor 杨铭陈杨君刘设伟伍志王觅
Owner TAIKANG LIFE INSURANCE CO LTD