KNOWLEDGE ORGANIZATION

Research on SAO Short Text Classification in LIS Based on Semantic Association and BERT

  • Zhang Yujie ,
  • Bai Rujiang ,
  • Liu Mingyue ,
  • Yu Chunliang
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  • 1 Institute of Information Management, Shandong University of Technology, Zibo 255049;
    2 Yantai University Library, Yantai 264005

Received date: 2021-01-27

  Revised date: 2021-05-12

  Online published: 2021-08-20

Abstract

[Purpose/significance] Aiming at the shortage of semantic features and insufficient domain knowledge in the classification of SAO structure short texts, this paper proposes a SAO classification method combining semantic association and BERT in order to improve the classification effect.[Method/process] Taking the SAO short text in the library and information science field as the data source, firstly, a semantic association scheme including the three links of "Expansion-Reconstruction-NoiseReduction" was designed. The semantic information of SAO was extended through semantic expansion and SAO reconstruction, and the extended noise interference problem was solved by semantic noise reduction; then used the BERT model to train the SAO short text after semantic association; finally realized automatic classification in the classification part.[Result/conclusion] After comparing different association values, learning rates and classifiers, the experimental results show that when the association value is 10 and the learning rate is 4e-5, the SAO short text classification effect is optimal, and the average F1 value is 0.852 2, which is comparable to SVM and LSTM compared with pure BERT, the F1 value is increased by 0.103 1, 0.153 8 and 0.140 5 respectively.

Cite this article

Zhang Yujie , Bai Rujiang , Liu Mingyue , Yu Chunliang . Research on SAO Short Text Classification in LIS Based on Semantic Association and BERT[J]. Library and Information Service, 2021 , 65(16) : 118 -129 . DOI: 10.13266/j.issn.0252-3116.2021.16.013

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