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