An Improved Latent Dirichlet Allocation Model for Hot Topic Extraction.
Guolong LiuXiaofei XuYing ZhuLi LiPublished in: BDCloud (2014)
Keyphrases
- latent dirichlet allocation
- parameter estimation
- pattern recognition
- topic models
- probabilistic latent semantic analysis
- gibbs sampling
- probabilistic model
- semi supervised
- variational inference
- latent topics
- principal component analysis
- databases
- hidden markov models
- data analysis
- training data
- face recognition
- machine learning