Keyphrases
- language model
- language modeling
- probabilistic model
- query expansion
- n gram
- information retrieval
- retrieval model
- document retrieval
- language modelling
- test collection
- ad hoc information retrieval
- speech recognition
- context sensitive
- statistical language models
- mixture model
- translation model
- language models for information retrieval
- relevance model
- pseudo relevance feedback
- vector space model
- smoothing methods
- dirichlet prior