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Selection of the Optimal Number of Topics for LDA Topic Model—Taking Patent Policy Analysis as an Example
This study constructs a comprehensive index to effectively judge the optimal number of topics in the LDA topic model. Based on the requirements for selecting the number of topics, a comprehensive judgment index of perplexity, isolation, stability, and coincidence is constructed to select the number...
Autores principales: | Gan, Jingxian, Qi, Yong |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8534395/ https://www.ncbi.nlm.nih.gov/pubmed/34682025 http://dx.doi.org/10.3390/e23101301 |
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