Improved Query Topic Models via Pseudo-Relevant Pólya Document Models.
Ronan CumminsPublished in: CoRR (2016)
Keyphrases
- topic models
- relevance model
- latent topics
- language modeling framework
- probabilistic model
- text documents
- statistical topic models
- latent dirichlet allocation
- latent topic models
- topic modeling
- language model
- query expansion
- text mining
- user queries
- retrieval systems
- probabilistic topic models
- generative model
- information retrieval systems
- information retrieval
- generative process
- gibbs sampling
- probabilistic latent semantic analysis
- variational inference
- query specific
- document retrieval
- topic discovery
- prior knowledge
- data mining
- lda model
- relevance feedback
- structured prediction
- web search