Unsupervised language model adaptation using latent semantic marginals.
Yik-Cheung TamTanja SchultzPublished in: INTERSPEECH (2006)
Keyphrases
- language model
- latent semantic
- query expansion
- language modeling
- probabilistic model
- latent semantic indexing
- information retrieval
- retrieval model
- graphical models
- n gram
- vector space model
- document retrieval
- unsupervised learning
- probabilistic latent semantic analysis
- latent semantic analysis
- semantic information
- relevant documents
- text retrieval
- document representation
- test collection
- query terms
- probability distribution
- mixture model
- semi supervised
- text data
- topic modeling
- random variables
- feature vectors
- high level