Keyphrases
- language model
- cooperative
- language modeling
- document retrieval
- n gram
- information retrieval
- probabilistic model
- speech recognition
- retrieval model
- query expansion
- test collection
- statistical language models
- language modelling
- ad hoc information retrieval
- smoothing methods
- context sensitive
- pseudo relevance feedback
- document ranking
- language models for information retrieval
- language model for information retrieval
- relevance model
- query terms
- translation model
- word error rate
- vector space model
- statistical language modeling
- web pages
- feature selection