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