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...
Збережено в:
| Автори: | , |
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| Формат: | Artigo |
| Мова: | Inglês |
| Опубліковано: |
MDPI AG
2021-10-01
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| Серія: | Entropy |
| Предмети: | |
| Онлайн доступ: | https://www.mdpi.com/1099-4300/23/10/1301 |
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