Keyphrases
- language model
- mixture model
- language modeling
- dependency structure
- probabilistic model
- document retrieval
- n gram
- retrieval model
- information retrieval
- language modelling
- speech recognition
- query expansion
- context sensitive
- statistical language models
- test collection
- ad hoc information retrieval
- expectation maximization
- language models for information retrieval
- query terms
- term dependencies
- pseudo relevance feedback
- web pages
- translation model
- document ranking
- query specific
- dirichlet distribution
- vector space model
- word error rate
- generative model