Keyphrases
- topic models
- social media
- topic modeling
- latent dirichlet allocation
- relevance model
- probabilistic model
- text mining
- latent topics
- information retrieval
- latent topic models
- latent variables
- co occurrence
- generative model
- text documents
- image retrieval
- document retrieval
- test collection
- microblog posts
- text streams
- information retrieval systems
- retrieval model
- relevance feedback
- text corpora
- gibbs sampling
- query expansion
- hierarchical bayesian model
- machine learning
- generative process
- probabilistic topic models
- social networks
- support vector