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