Keyphrases
- language model
- mixture model
- language modeling
- probabilistic model
- n gram
- information retrieval
- retrieval model
- document retrieval
- speech recognition
- language modelling
- smoothing methods
- statistical language models
- query expansion
- ad hoc information retrieval
- expectation maximization
- vector space model
- pseudo relevance feedback
- test collection
- query terms
- context sensitive
- relevance model
- translation model
- document ranking
- statistical language modeling
- term dependencies
- text classification
- image retrieval