Text classification algorithm of power user consultation based on improved LDA algorithm
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1.State Grid Anhui Electric Power Co.,Ltd,Hefei Anhui 230061,China;2.State Grid Corporation of China,Beijing 100032,China;3.Big Data Center of State Grid Corporation of China,Beijing 100032,China;4.Beijing State Grid Accenture Information Technology Co.,LTD,Beijing 100053,China

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    Abstract:

    In response to the current issue of low accuracy in sentiment polarity analysis of short texts in power consulting, this paper proposes an improved Latent Dirichlet Allocation (LDA) algorithm-based classification algorithm for power user consulting texts. Based on the analysis of the relationship between power consulting short texts and sentiment, concepts such as sentiment word co-occurrence bags, topic-specific words, and topic relationship words are defined. To improve the quality of semantic analysis, an execution process for the improved LDA algorithm for classifying power user consulting texts is designed. Experiments show that the proposed model demonstrates excellent performance, with an average precision of 90.91% and an average recall rate of 85.03%. The proposed model can fully leverage the advantages of multi-model integration, effectively enhancing the model performance.

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李竹青,侯本忠,曹培祥,王一蓉,李向阳.基于改进LDA算法的电力用户咨询文本分类算法[J]. Journal of Terahertz Science and Electronic Information Technology ,2024,22(12):1400~1406

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History
  • Received:May 06,2023
  • Revised:July 26,2023
  • Adopted:
  • Online: January 07,2025
  • Published: