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Entity recognition method and device, electronic equipment and storage medium

An entity recognition and entity technology, applied in the field of entity recognition, can solve the problem of low accuracy of entity recognition, achieve the effect of strengthening vocabulary distribution, strengthening boundary information, and improving accuracy

Active Publication Date: 2021-09-17
BEIJING DAJIA INTERNET INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present disclosure provides an entity recognition method, device, electronic equipment and storage medium to at least solve the problem of low accuracy of entity recognition in related technologies

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  • Entity recognition method and device, electronic equipment and storage medium
  • Entity recognition method and device, electronic equipment and storage medium
  • Entity recognition method and device, electronic equipment and storage medium

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Embodiment Construction

[0092] In order to enable ordinary persons in the art to better understand the technical solutions of the present disclosure, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings.

[0093] It should be noted that the terms "first" and "second" in the specification and claims of the present disclosure and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein can be practiced in sequences other than those illustrated or described herein. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consi...

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Abstract

The invention relates to an entity recognition method and device, electronic equipment and a storage medium, and the method comprises the steps: segmenting an object theme text into a plurality of characters and at least one entity word according to an entity word list, and determining a vocabulary comprising each character in the object theme text; determining a word vector of each character as a first word vector, determining a word vector of the entity word as a first word vector, and determining a word vector of the vocabulary as a second word vector; determining a second word vector of the same character according to the second word vector and the first word vector which comprise the same character; and according to the second word vector of each character and the first word vector of the entity word, performing entity recognition on the object topic text to obtain an entity recognition result. The vocabulary distribution of the characters in the whole text is enhanced, the boundary information of the entity words is enhanced based on the entity words, and the accuracy of entity recognition is improved.

Description

technical field [0001] The present disclosure relates to entity recognition technology, and in particular to an entity recognition method, device, electronic equipment and storage medium. Background technique [0002] In related technologies, when performing entity recognition on an object topic, a large-scale language model may be used for recognition, or a matching method may be used to directly use a vocabulary to match entities in the object topic. [0003] Related technologies rely on a large amount of manually labeled data to realize the construction of training data sets, which is too expensive, and it is difficult to cover all types due to the complex composition of object topic texts, training data is prone to bias, and the model depends on each object topic. The information of each character itself is used for entity recognition, resulting in low recognition accuracy of the model; direct matching is used without the cooperation of the language model, and the accura...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F40/295
CPCG06F40/295
Inventor 周新宇刘振国陈凯
Owner BEIJING DAJIA INTERNET INFORMATION TECH CO LTD