Keyphrases
- language model
- language modeling
- linear combination
- document retrieval
- probabilistic model
- information retrieval
- n gram
- language modelling
- speech recognition
- context sensitive
- retrieval model
- vector space model
- test collection
- statistical language models
- query expansion
- document ranking
- smoothing methods
- language models for information retrieval
- translation model
- relevance model
- pseudo relevance feedback
- okapi bm
- ad hoc information retrieval
- document length
- query terms
- dimensionality reduction
- language model for information retrieval