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