Keyphrases
- language model
- language modeling
- n gram
- probabilistic model
- document retrieval
- query expansion
- retrieval model
- statistical language models
- language modelling
- information retrieval
- context sensitive
- ad hoc information retrieval
- smoothing methods
- mixture model
- vector space model
- relevance model
- query terms
- speech recognition
- language model for information retrieval
- document ranking