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Data Analysis and Knowledge Discovery
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Research On Patent Text Abstract Generation Based On Improved Multi-Head Attention Mechanism
Guoliang Shi,Shu Zhou,Yunfeng Wang,Chunjiang Shi,Liang Liu
(Business School, Hohai University, Nanjing 211100, China) (Bank of Jiangsu, Nanjing 210006, China)
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[Objective] In the field of patent text abstract generation, there are currently problems of single bias in the abstract generation due to the single input structure of patent text, and the abstract generation as a whole has the problems of repeated generation, insufficient concise and smooth, and loss of original information.

[Methods] Firstly, we design two algorithms based on cosine similarity to select the most important patent documents based on the logical structure of the patent text for the single structure problem. Secondly, we design a new sequence-to-sequence structure model with improved multi-head attention mechanism(IMHAM) to better learn the feature expression of the patent text, and add self-attentive layers in the encoder and decoder layers to solve the duplicate generation problem. Finally, we add the improved pointer network structure to solve the problem of missing original information.

[Results] Our model is 3.2%, 2.3%, 5.4% higher in evaluation metrics Rouge-1, Rouge-2, Rouge-L, respectively, compared to model MedWriter on the publicly available patent text data set.

[Limitations] This model is more applicable to the document system with multiple structures such as patents, and may lack room for improvement in extracting important documents for the text content of a single system.

[Conclusions] The proposed model has good generalization capability for quality improvement of text summary generation domains similar to those with multi-document structure systems.

Key words Patent Text      Abstract Generation      Multi-head Attention      Pointer Network      
Published: 11 November 2022
ZTFLH:  TP391,G350  

Cite this article:

Guoliang Shi, Shu Zhou, Yunfeng Wang, Chunjiang Shi, Liang Liu. Research On Patent Text Abstract Generation Based On Improved Multi-Head Attention Mechanism . Data Analysis and Knowledge Discovery, 0, (): 1-.

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