Keyphrases
- language model
- language modeling
- probabilistic model
- n gram
- document retrieval
- speech recognition
- language modelling
- information retrieval
- statistical language models
- retrieval model
- test collection
- ad hoc information retrieval
- vector space model
- query expansion
- query terms
- document ranking
- language models for information retrieval
- relevance model
- smoothing methods
- statistical language modeling
- language model for information retrieval
- term dependencies
- co occurrence
- feature selection
- pseudo relevance feedback
- user queries