Selection of the Optimal Number of Topics for LDA Topic Model - Taking Patent Policy Analysis as an Example.
Jingxian GanYong QiPublished in: Entropy (2021)
Keyphrases
- topic models
- latent dirichlet allocation
- topic modeling
- topic discovery
- latent topics
- text mining
- latent variables
- generative model
- text corpora
- probabilistic model
- co occurrence
- text documents
- data analysis
- gibbs sampling
- text analysis
- feature selection
- face recognition
- information retrieval
- baseline models
- collapsed gibbs sampling
- statistical topic models
- variational bayesian inference
- text classification
- information extraction
- probabilistic latent semantic analysis
- variational inference
- lda model
- probabilistic topic models