Unsupervised language model adaptation using latent Dirichlet allocation and dynamic marginals.
Md. Akmal HaidarDouglas D. O'ShaughnessyPublished in: EUSIPCO (2011)
Keyphrases
- language model
- latent dirichlet allocation
- topic modeling
- topic models
- probabilistic model
- dirichlet prior
- lda model
- language modeling
- generative model
- n gram
- probabilistic topic models
- document retrieval
- information retrieval
- relevance model
- text mining
- retrieval model
- mixture model
- smoothing methods
- graphical models
- query expansion
- gibbs sampling
- translation model
- belief propagation
- variational inference
- document length
- message passing
- query terms
- unsupervised learning
- expectation maximization
- semi supervised
- probability distribution
- feature selection