Lifelong Hierarchical Topic Modeling via Non-negative Matrix Factorization.
Zhicheng LinJiaxing YanZhiqi LeiYanghui RaoPublished in: APWeb/WAIM (4) (2023)
Keyphrases
- negative matrix factorization
- topic modeling
- topic models
- latent structure
- probabilistic latent semantic analysis
- matrix factorization
- document clustering
- text mining
- collaborative filtering
- latent dirichlet allocation
- sparse representation
- principal component analysis
- text documents
- text classification
- latent topics
- unsupervised learning
- generative model
- co occurrence
- data sets
- probabilistic model
- clustering method
- spectral clustering
- latent variables
- artificial intelligence
- databases