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