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Natural language processing model construction method and system, electronic equipment and storage medium

A technology of natural language processing and construction methods, applied in the field of natural language processing model construction methods, electronic equipment and storage media, and systems, can solve problems such as poor extraction of unstructured text information, reduce error accumulation, and facilitate deployment , the effect of improving robustness

Pending Publication Date: 2021-01-15
BEIJING XUEZHITU NETWORK TECH
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Problems solved by technology

[0004] The embodiment of the present application provides a natural language processing model construction method, system, electronic equipment and storage medium, so as to at least solve the problem of poor extraction effect of current unstructured text information

Method used

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  • Natural language processing model construction method and system, electronic equipment and storage medium
  • Natural language processing model construction method and system, electronic equipment and storage medium
  • Natural language processing model construction method and system, electronic equipment and storage medium

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Embodiment Construction

[0045] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be described and illustrated below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application. Based on the embodiments provided in the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0046] Obviously, the accompanying drawings in the following description are only some examples or embodiments of the present application, and those skilled in the art can also apply the present application to other similar scenarios. In addition, it can also be understood that although such development efforts may be complex and lengthy, for those of ...

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Abstract

The invention provides a natural language processing model construction method and system, electronic equipment and a storage medium, and the technical scheme of the method comprises the steps: carrying out the information extraction through employing a combined extraction method, and mining the information of different granularities, including a word vector and a character vector corresponding topart-of-speech information; besides, negative sampling is performed on the original training data so that a batch of negative samples are obtained, the problem of low resources of the model can be solved and the identification difficulty of the model can be enhanced. According to the method, the implementation effect of unstructured text information extraction is improved, and the robustness of the model is improved.

Description

technical field [0001] The invention belongs to the field of data processing, and in particular relates to a method for building a natural language processing model, a system, electronic equipment and a storage medium. Background technique [0002] In the field of language processing, there are a large number of unstructured texts, especially news texts. There are many entities in these texts, and there are different relationships between different entities. Effective extraction of unstructured texts can assist Our automatic understanding of text and the construction of knowledge graphs. [0003] Existing technologies mainly include template-based methods, pipeline-based information extraction methods, and semi-supervised information extraction methods, but the encoders of the above methods are not powerful enough, and the feature dimensions of the encoding are not rich enough to train entity recognition and relationship classification at the same time. Using the original d...

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Application Information

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IPC IPC(8): G06F40/279G06F40/284G06F40/151
CPCG06F40/151G06F40/279G06F40/284
Inventor 张鹏涛景艳山
Owner BEIJING XUEZHITU NETWORK TECH
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