Ranking Answers by Hierarchical Topic Models.
Zengchang QinMarcus ThintZhiheng HuangPublished in: IEA/AIE (2009)
Keyphrases
- topic models
- pitman yor process
- latent dirichlet allocation
- topic modeling
- text documents
- relevance model
- probabilistic model
- hierarchical bayesian model
- text mining
- latent semantics
- generative model
- latent topics
- latent variables
- latent topic models
- web search
- co occurrence
- variational inference
- ranking algorithm
- visual recognition
- text corpora
- gibbs sampling
- hierarchical bayesian
- probabilistic latent semantic analysis
- web pages
- probability distribution