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