Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- speech recognition
- information retrieval
- probabilistic model
- query expansion
- language modelling
- test collection
- statistical language models
- context sensitive
- ad hoc information retrieval
- retrieval model
- document ranking
- smoothing methods
- pseudo relevance feedback
- relevance model
- query terms
- query specific
- term dependencies
- document length
- language model for information retrieval
- statistical language modeling
- translation model
- passage retrieval
- error rate
- search engine