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Technology Hotspot Tracking: Topic Discovery and Evolution of China's Blockchain Patents Based on a Dynamic LDA Model.

Jinli WangYong FanHui ZhangLibo Feng
Published in: Symmetry (2021)
Keyphrases
  • topic discovery
  • lda model
  • latent dirichlet allocation
  • text analysis
  • topic models
  • text classification
  • information retrieval
  • generative model
  • machine learning
  • topic modeling
  • support vector