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