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