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Study on the Topic Mining and Dynamic Visualization in View of LDA Model

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  • Ting Xie
  • Ping Qin
  • Libo Zhu

Abstract

Text topic mining and visualization are the basis for clustering the topics， distinguishing front topics and hot topics. This paper constructs the LDA topic model based on Python language and researches topic mining， clustering and dynamic visualization，taking the metrology of Library and information science in 2017 as an example. In this model，parameter and parameter are estimated by Gibbs sampling，and the best topic number was determined by coherence scores. The topic mining based on the LDA model can well simulate the semantic information of the large corpus，and make the corpus not limited to the key words. The bubble bar graph of the topic-words can present the many-to-many dynamic relationships between the topic and words.

Suggested Citation

  • Ting Xie & Ping Qin & Libo Zhu, 2019. "Study on the Topic Mining and Dynamic Visualization in View of LDA Model," Modern Applied Science, Canadian Center of Science and Education, vol. 13(1), pages 204-204, January.
    • Handle: RePEc:ibn:masjnl:v:13:y:2022:i:1:p:204
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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