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Entity relationship extraction method and device of text and storage medium

A technology of entity relationship and extraction method, applied in the direction of unstructured text data retrieval, special data processing applications, instruments, etc., can solve problems such as low efficiency and poor effect, and achieve the effect of improving efficiency

Active Publication Date: 2019-12-13
TENCENT TECH (SHENZHEN) CO LTD
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  • Claims
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Problems solved by technology

[0004] However, related technologies have problems such as low efficiency or poor effect when extracting relationships.

Method used

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  • Entity relationship extraction method and device of text and storage medium
  • Entity relationship extraction method and device of text and storage medium
  • Entity relationship extraction method and device of text and storage medium

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Embodiment Construction

[0043] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the accompanying drawings, and the described embodiments should not be considered as limiting the present invention, and those of ordinary skill in the art do not make any All other embodiments obtained under the premise of creative labor belong to the protection scope of the present invention.

[0044] In the following description, references to "some embodiments" describe a subset of all possible embodiments, but it is understood that "some embodiments" may be the same subset or a different subset of all possible embodiments, and Can be combined with each other without conflict.

[0045] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herei...

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Abstract

The invention provides a text entity relationship extraction method and device, electronic equipment and a storage medium. The method comprises the steps of performing recognition processing on an input text to obtain an entity in the input text and a category to which the entity belongs; traversing the entities based on category constraint conditions so as to construct candidate entity pairs based on the candidate entities meeting the category constraint conditions; according to the category to which the entity in each candidate entity pair belongs, performing tagging processing on the constructed candidate entity pair; on the basis of the candidate entity pairs subjected to tagging processing, replacing entities identified in the input text with tags to obtain a new sample; and carryingout classification processing on the obtained new sample through a classification model to obtain a relationship of the constructed candidate entity pair, and outputting a triple formed by the candidate entity pair and the relationship. The entity relationship extraction efficiency and effect of the text can be improved.

Description

technical field [0001] The present invention relates to the technical field of natural language processing, in particular to a text entity relationship extraction method, device, electronic equipment and storage medium. Background technique [0002] In recent years, with the rapid development of Internet technology, network data content has shown an explosive growth trend. Due to the characteristics of large-scale, heterogeneous and diverse, loose organizational structure, and unstructured Internet content, it poses challenges for people to effectively obtain information and knowledge. Therefore, Natural Language Processing (NLP) technology came into being. [0003] Natural language processing is an important direction in the field of computer science and artificial intelligence. It studies various theories and methods that can realize effective communication between humans and computers using natural language. Natural language processing is a science that combines lingui...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/36G06F17/27
CPCG06F16/367
Inventor 徐程程王安然
Owner TENCENT TECH (SHENZHEN) CO LTD
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