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Chinese patent abstract rewriting method

An abstract and patent technology, applied in the field of Chinese patent abstract rewriting, can solve the problems of inability to meet the deep processing of patent data, sentence redundancy accuracy, etc., and achieve the effect of improving work efficiency and reducing costs.

Inactive Publication Date: 2021-02-26
BEIJING INFORMATION SCI & TECH UNIV
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Problems solved by technology

Existing text automatic summarization methods have the problems of redundant sentences and low accuracy in the process of rewriting multi-sentence summaries, which cannot meet the requirements of deep processing of patent data

Method used

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  • Chinese patent abstract rewriting method
  • Chinese patent abstract rewriting method
  • Chinese patent abstract rewriting method

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Embodiment Construction

[0045] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application. 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.

[0046] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meanings as commonly understood by those of ordinary skill in the art to which this application belongs. It should also be understood that terms, such as those defined in commonly used dictionaries, should be understood to have m...

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Abstract

The invention discloses a Chinese patent abstract rewriting method. The method comprises the following steps: preprocessing a document; sentence distributed representation; and sentence extraction. According to the Chinese patent abstract rewriting method provided by the embodiment of the invention, a patent term dictionary and a sentence extraction method based on reinforcement learning are introduced, key sentences of a patent specification text are extracted, candidate abstracts are generated by utilizing a Transformer deep neural network text generation method, and finally patent originalabstract information is fused. According to the method, the rewritten abstract is obtained through semantic deduplication and sorting, end-to-end patent abstract rewriting is achieved, the method is excellent in ROUGE-1, ROUGE-2 and ROUGE-L evaluation standards and is obviously superior to other sequence generation benchmark methods, the manual rewriting cost can be reduced, and the patent data processing work efficiency can be improved.

Description

technical field [0001] This application relates to the technical field of text processing, in particular to a method for rewriting Chinese patent abstracts. Background technique [0002] Patent documents are one of the most effective carriers of technical information. Analysts of enterprise competitive intelligence can extract a large amount of useful information from patent documents through careful and rigorous analysis, so that the disclosed patent materials can be used by the company, thereby realizing its unique economic value. Manual rewriting of patent abstracts is an important technical means to obtain patent information. As the number of patent applications continues to increase, the cost of manual rewriting of patent abstracts is getting higher and higher. How to use automatic text summarization technology to automatically rewrite patent abstracts has become particularly important. Existing text automatic summarization methods have the problems of sentence redund...

Claims

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Application Information

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IPC IPC(8): G06F40/258G06F40/211G06F40/30G06N3/04G06N3/08
CPCG06F40/258G06F40/211G06F40/30G06N3/08G06N3/044G06N3/045
Inventor 吕学强游新冬董志安
Owner BEIJING INFORMATION SCI & TECH UNIV
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