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